CN208839283U - A kind of selective laser fusing snail formula separating and filtering system - Google Patents
A kind of selective laser fusing snail formula separating and filtering system Download PDFInfo
- Publication number
- CN208839283U CN208839283U CN201821458570.5U CN201821458570U CN208839283U CN 208839283 U CN208839283 U CN 208839283U CN 201821458570 U CN201821458570 U CN 201821458570U CN 208839283 U CN208839283 U CN 208839283U
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- Prior art keywords
- outlet
- snail formula
- air
- air inlet
- snail
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- 238000001914 filtration Methods 0.000 title claims abstract description 61
- 241000237858 Gastropoda Species 0.000 title claims abstract description 41
- 239000013618 particulate matter Substances 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 9
- 238000000746 purification Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 4
- 238000010146 3D printing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 29
- 238000000465 moulding Methods 0.000 description 20
- 239000003500 flue dust Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 239000011521 glass Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a kind of selective lasers to melt snail formula separating and filtering system, belong to metal 3D printing rapid shaping technique field, indoor air inlet, air outlet are formed including being connected to SLM device, and it is connected to filter device and circulating fan between air inlet and air outlet, filter device includes snail formula separator and fine filtering device, the outlet air port of snail formula separator is connected with one end of fine filtering device, and the other end of the fine filtering device is connected with the input end of circulating fan；Snail formula separator includes air inlet port, outlet air port, volute cylinder and the large particulate matter discharge outlet at volute cylinder body outer wall side lower part being connected to air inlet.The utility model successively carries out by-pass filtration and secondary filtration to the gas to be clean of introducing by snail formula separator and fine filtering device respectively and improves purification efficiency by classified filtering, while extending the service life of filter core.
Description
Technical field
The utility model belongs to metal 3D printing rapid shaping technique field, melts snail more particularly to a kind of selective laser
Formula separating and filtering system.
Background technique
It is a kind of metalwork straight forming method that (SLM-Selective Laser Melting) is melted in selective laser, is
The latest development of rapid shaping technique.Most basic thought of the technology based on rapid shaping, with layer-by-layer addition manner according to CAD number
There is the part of geometry in particular according to straight forming.Laser issues laser in forming process, gathers after optical system is handled
Coke is to processing plane, and under control of the control system, the metal powder of each layer is melted in selective laser, generates metallurgical bonding, gradually
It is stacked into metal 3 d part.
Although the whole process of SLM carries out in the molding room for being connected with inert gas, in laser scanning metal
During powder, molten metal powder is easy to send out with the oxygen carried in trace oxygen remaining in molding room and powder
Raw oxidation is to generate residue and flue dust.A large amount of residues and flue dust are attached on bisque or on the protective glass of optical system, directly
Influence the absorption of the transmittance and bisque of laser to laser energy, the final molding for influencing metal parts.Therefore, it is necessary to molding
Indoor inert gas carries out circulating filtration.
Dust separation system used in current most of SLM molding equipments be all directly carried out using filter core it is cleaned
Filter.The shortcomings that filtering and purifying, is: being filtered together to large particulate matter, powder, the flue dust etc. in air-flow, in this way
Not only substantially reduce the service life of filter core, but also the filter efficiency of filter core made also to have a greatly reduced quality, thus influence part at
Type.
Summary of the invention
In view of the problems of the existing technology, the utility model provides a kind of selective laser fusing snail formula separating and filtering system
System, it is low which solves existing filtering and purifying filter efficiency, the short problem of filter core service life.
The utility model is realized in this way snail formula separating and filtering system is melted in a kind of selective laser, including it is connected to SLM
Equipment forms indoor air inlet, air outlet, and the filter device and circulating fan that are connected between air inlet and air outlet,
The filter device includes snail formula separator and fine filtering device, the outlet air port of the snail formula separator and one end of fine filtering device
It is connected, the other end of the fine filtering device is connected with the input end of circulating fan.
Under the action of circulating fan, air inlet and air outlet are connected to SLM device molding room, are respectively completed molding room
The function that interior gas to be clean introduces and purified gas is drawn.Snail formula separator will be in the SLM device molding room of introducing
Gas to be clean carries out by-pass filtration, enters fine filtering device by outlet air port by the gas of by-pass filtration, passes through fine filtering device
Carry out secondary filtration, through fine filtering device purified gas through air outlet blowout be passed through in SLM device molding room again, continue into
The work of row circulating filtration.
The utility model has the advantages and positive effects of:
The utility model by circulating fan complete by SLM device form indoor gas to be clean from air inlet introduce and
The function that purified gas is drawn from air outlet, by the snail formula separator of setting and fine filtering device to the gas to be clean of introducing
Body successively carries out by-pass filtration and secondary filtration respectively and improves purification efficiency by classified filtering, while extending filter core
Service life.
In the above-mentioned technical solutions, it is preferred that the snail formula separator includes the air inlet port being connected to air inlet, outlet air
Port, volute cylinder and the large particulate matter discharge outlet at volute cylinder body outer wall side lower part.
The gas to be clean come out from SLM device molding room is mingled with a large amount of bulky grain residue and metal powder, through inhaling
Air port, air inlet port enter in snail formula separator, and large particulate matter quality is larger, due to the centrifugal action of volute cylinder, it will
It is moved close to volute cylinder body outer wall, the large particulate matter discharge outlet discharge being finally set, the gas not comprising large particulate matter
Fine filtering device will be entered by outlet air port.
In the above-mentioned technical solutions, it is further preferred that the snail formula separator further includes recovery port, the recovery port is returned
Receive the large particulate matter of large particulate matter discharge outlet discharge.
For the recovery port of setting convenient for connecting with recycling can, the large particulate matter being discharged through large particulate matter discharge outlet is recovered
Mouth enters recycling can.
In the above-mentioned technical solutions, it is preferred that the fine filtering device is made of filter core.
Filter core carries out secondary filtration to the gas come out by snail formula separator outlet air port, and then purified gas is led to
The effect for crossing circulating fan is passed into SLM device molding room through air outlet blowout.
In the above-mentioned technical solutions, it is preferred that the air outlet includes upper air outlet and lower air outlet.
The flue dust that SLM device molding room internal upper part can be raised up by the way that upper air outlet is arranged is blown away, prevent protective glass by
The forming area of lower part can be purged to pollution, and the lower air outlet of setting, takes away the residue and flue dust generated in process.
Detailed description of the invention
Fig. 1 is that the structure of fusing snail formula separating and filtering system in selective laser provided by the embodiment of the utility model and process are shown
It is intended to；
Fig. 2 is snail formula separator in fusing snail formula separating and filtering system in selective laser provided by the embodiment of the utility model
Structural schematic diagram.
In figure: 1- optical system；The upper air outlet of 2-；Air outlet under 3-；4- forming area；5- circulating fan；6- filter core；7-
Snail formula separator；71- enters the wind port；72- outlet air port；73- recovery port；74- large particulate matter discharge outlet；75- volute cylinder
Outer wall；The air inlet 8-.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, and match
Closing attached drawing, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to
It explains the utility model, is not used to limit the utility model.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Fig. 1 and 2 is please referred to, the present embodiment provides a kind of selective lasers to melt snail formula separating and filtering system, including is connected to
SLM device forms indoor air inlet 8, air outlet, and the filter device and circulation that are connected between air inlet and air outlet
Blower 5, filter device include snail formula separator 7 and fine filtering device, the outlet air port 72 of snail formula separator 7 and the one of fine filtering device
End is connected, and the other end of fine filtering device is connected with the input end of circulating fan 5, the air inlet 8 that sets gradually in the present embodiment, snail
Formula separator 7, circulating fan 5, can pass through pipeline between air outlet and be connected to fine filtering device.
Under the action of circulating fan, air inlet 8 and air outlet are connected to SLM device molding room, are respectively completed and set SLM
It is standby to form the function that indoor gas to be clean introduces and purified gas is drawn.Snail formula separator 7 is by the SLM device of introducing
Gas progress by-pass filtration to be clean in molding room, enters fine filtering device by outlet air port 72 by the gas of by-pass filtration, leads to
It crosses fine filtering device progress secondary filtration and purification efficiency can be improved by classified filtering, while the use longevity of filter core can be extended
Life.It is passed through in SLM device molding room again through fine filtering device purified gas through air outlet blowout, continues circulating filtration
Work.
As preferred embodiment, snail formula separator 7 include the air inlet port 71 being connected to air inlet 8, outlet air port 72,
Volute cylinder and the large particulate matter discharge outlet 74 at 75 side lower part of volute cylinder body outer wall.From SLM device, molding room goes out
The gas to be clean come is mingled with a large amount of bulky grain residue and metal powder, enters snail formula through air inlet 8, air inlet port 71
In separator 7, large particulate matter quality is larger, due to the centrifugal action of volute cylinder, it will transports close to volute cylinder body outer wall 75
Dynamic, the large particulate matter discharge outlet 74 being finally set is discharged, the gas not comprising large particulate matter will by outlet air port 72 into
Enter fine filtering device.
As further preferred embodiment, for the large particulate matter recycling convenient for that will be discharged, snail formula separator 7 is additionally provided with
Recovery port 73, recovery port 73 recycle the large particulate matter of large particulate matter discharge outlet discharge.The recovery port 73 of setting is convenient for and is returned
Closed cans connection, the recovered mouth 73 of the large particulate matter being discharged through large particulate matter discharge outlet enter in recycling can.
As preferred embodiment, fine filtering device is made of filter core 6.Filter core 6 goes out to by snail formula separator outlet air port 72
The gas come carries out secondary filtration, and then purified gas is passed by the effect of circulating fan through air outlet blowout
In SLM device molding room.
As preferred embodiment, air outlet includes upper air outlet 2 and lower air outlet 3.The gas that upper air outlet 2 is blown out can
It is blown away with the flue dust that SLM device molding room internal upper part raises up, protective glass is prevented to be contaminated, the gas that lower air outlet 3 is blown out
The forming area 4 that lower part can be purged takes away the residue and flue dust generated in process.
When being in normal circulation purification process, circulating fan 5 is opened, laser beam is deflected by optical system 1, focused on
It is processed on the powder bed of forming area 4, the gas that lower air outlet 3 is blown into purges forming area, takes away in process and generates
Residue and flue dust, the gas that upper air outlet 2 is blown into blows away the flue dust to raise up, protective glass prevented to be contaminated.SLM device simultaneously
Gas to be clean is entered in snail formula separator 7 by air inlet 8 in molding room, the large particulate matter in gas due to quality compared with
Greatly, under the influence of centrifugal force, it is close to volute cylinder body outer wall 75 to move, until being discharged from large particulate matter discharge outlet 74, then passes through
It crosses recovery port 73 to drop into the recycling can of lower section, the large particulate matter in air-flow is separated, the gas warp after separating
Outlet air port 72 is further purified into filter core 6, and the gas come out from filter core 6 is distinguished under the action of circulating fan 5
It is passed through in SLM device molding room again from upper air outlet 2, the blowout of lower air outlet 3, continues circulating filtration work.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced, and these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (5)
1. snail formula separating and filtering system is melted in a kind of selective laser, including is connected to SLM device and forms indoor air inlet, outlet air
Mouthful, and the filter device and circulating fan that are connected between air inlet and air outlet, it is characterised in that: the filter device packet
Snail formula separator and fine filtering device are included, the outlet air port of the snail formula separator is connected with one end of fine filtering device, the refined filtration
The other end of device is connected with the input end of circulating fan.
2. snail formula separating and filtering system is melted in selective laser according to claim 1, it is characterised in that: the snail formula separation
Device includes the air inlet port being connected to air inlet, outlet air port, volute cylinder and at volute cylinder body outer wall side lower part
Large particulate matter discharge outlet.
3. snail formula separating and filtering system is melted in selective laser according to claim 2, it is characterised in that: the snail formula separation
Device further includes recovery port, the large particulate matter of the recovery port recycling large particulate matter discharge outlet discharge.
4. snail formula separating and filtering system is melted in selective laser according to claim 1, it is characterised in that: the fine filtering device
It is made of filter core.
5. snail formula separating and filtering system is melted in selective laser according to claim 1, it is characterised in that: the air outlet packet
Include air outlet and lower air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821458570.5U CN208839283U (en) | 2018-09-04 | 2018-09-04 | A kind of selective laser fusing snail formula separating and filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821458570.5U CN208839283U (en) | 2018-09-04 | 2018-09-04 | A kind of selective laser fusing snail formula separating and filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208839283U true CN208839283U (en) | 2019-05-10 |
Family
ID=66371675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821458570.5U Active CN208839283U (en) | 2018-09-04 | 2018-09-04 | A kind of selective laser fusing snail formula separating and filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208839283U (en) |
-
2018
- 2018-09-04 CN CN201821458570.5U patent/CN208839283U/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 |
Denomination of utility model: A laser selective melting volute separation and filtration system Granted publication date: 20190510 Pledgee: Bank of China Tianjin Heping Branch Pledgor: TIANJIN RADIUM LASER TECHNOLOGY Co.,Ltd. Registration number: Y2024980010582 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |