CN208529757U - A kind of molding room's purification system for small-sized SLM 3D printer - Google Patents
A kind of molding room's purification system for small-sized SLM 3D printer Download PDFInfo
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- CN208529757U CN208529757U CN201821113081.6U CN201821113081U CN208529757U CN 208529757 U CN208529757 U CN 208529757U CN 201821113081 U CN201821113081 U CN 201821113081U CN 208529757 U CN208529757 U CN 208529757U
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- molding room
- gas
- blower
- small
- purification system
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Abstract
The utility model discloses a kind of molding room's purification systems for small-sized SLM 3D printer, the gas tank being connected on molding room's side wall, filled with inert gas in the gas tank, bottom on the inside of molding room is provided with smoke discharging pipe and blower duct, smoke discharging pipe passes through the filtration core being arranged on the outside of molding room and is connected to fans entrance end, blower duct to fan outlet end, is provided with gas vent by piping connection at the top of molding room, the gas vent passes through piping connection to fan outlet end.The utility model starts blower in print procedure, so that molding room's gas is generated air-flow and guarantees the cleaning of molding room so that the smog generated in print procedure be blown away；The gas of circulation can remove the particle in recyclegas by filtering, guarantee that gas is free from foreign meter.
Description
Technical field
The utility model relates to SLM (selective laser melting) 3D printing technique fields, and in particular to one kind is for small-sized
Molding room's purification system of SLM 3D printer.
Background technique
In SLM (selective laser melting) 3D printing, molding room's purification system can control molding room oxygen content, avoid
Workpiece is oxidized in print procedure, promotes Forming Quality.The system of SLM (selective laser melting) 3D printer molding room purification at present
System can still generate smog by the way of being vented in filling with inert gas in print procedure, influence Forming Quality.
Utility model content
In view of the shortcomings of the prior art and defect, the utility model provide a kind of for small-sized SLM3D printer
Molding room's purification system.The utility model starts blower in print procedure, and molding room's gas is made to generate air-flow, thus will printing
The smog generated in the process is blown away, and guarantees the cleaning of molding room；The gas of circulation can remove in recyclegas by filtering
Grain guarantees that gas is free from foreign meter.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of molding room's purification system for small-sized SLM 3D printer, the gas tank being connected on molding room's side wall, institute
It states in gas tank the bottom filled with inert gas, on the inside of molding room and is provided with smoke discharging pipe and blower duct, smoke discharging pipe is by setting
It sets the filtration core on the outside of molding room and is connected to fans entrance end, blower duct passes through piping connection to fan outlet end, molding
Gas vent is provided at the top of room, the gas vent passes through piping connection to fan outlet end.
Further, the rear wall of molding room is additionally provided with blowhole, and the blowhole passes through piping connection to fan outlet end.
Further, molding room's side wall is equipped with aeration aperture, and the outlet end of gas tank is by piping connection to aeration aperture, and gas
Inflation solenoid valve is provided on pipeline between the outlet end and aeration aperture of tank.
Further, it is disposed with exhaust solenoid valve and check valve from the near to the distant on the pipeline being connected with gas vent.
Further, it is also connected in molding room and forms the pressure sensor of room pressure and for detecting for detecting
The oxygen level sensor of oxygen content in molding room.
Compared with prior art, the utility model has technical effect beneficial below:
The utility model starts blower in print procedure, so that molding room's gas is generated air-flow, thus by producing in print procedure
Raw smog is blown away, and guarantees the cleaning of molding room；By the way that filtration core is arranged, the gas of circulation can remove circulating air by filtering
Particle in body guarantees that gas is free from foreign meter.
Further, solenoid valve is arranged in the utility model, and the switching of gas circuit, operation letter are carried out by control solenoid valve
Single, control is flexible.
Further, by monitoring pressure sensor and oxygen level sensor, can guarantee into gas circuit handoff procedure
Oxygen content and pressure can be stablized to required range in type room.
Detailed description of the invention
Fig. 1 is molding room's purification system schematic diagram of the utility model.
Wherein, 1, gas tank；2, solenoid valve is inflated；3, oxygen level sensor；4, pressure sensor；5, exhaust solenoid valve；6,
Check valve；7, gas vent；8, blowhole；9, aeration aperture；10, molding room；11, blower duct；12, smoke discharging pipe；13, it filters
Core；14, blower.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, a kind of molding room's purification system for small-sized SLM 3D printer, including molding room 10, molding room
10 be seal cavity (front is door), and gas tank 1 is connect with inflation solenoid valve 2 with pipeline, and inflation solenoid valve 2 and aeration aperture 9 are used
Pipeline connection, smoke discharging pipe 12 connect with filtration core 13 with pipeline, and filtration core 13 is connect with blower 14 with pipeline, blower 14 with blow
Air piping 11 is connected with blowhole 8 with pipeline, and exhaust solenoid valve 5 is connect with gas vent 7 with pipeline, exhaust solenoid valve 5 and with list
It is connected to valve 6 with pipeline, pressure sensor 4 and oxygen level sensor 3 is installed at the top of molding room.
The utility model is described in detail below with reference to embodiment:
When using the system of the utility model, using following steps:
Step 1: opening inflation solenoid valve 2 and exhaust solenoid valve 5, inert gas is filled with into molding room 10；
Step 2: first closing inflation solenoid valve 2 if 10 hypertonia of molding room, opening inflation after pressure reduction again
Solenoid valve 2；
Step 3: repeating the first step and second step, after oxygen content is reduced to setting value, inflation solenoid valve 2 and row are closed
Pneumoelectric magnet valve 5；
Step 4: opening blower 14,14 wind speed of blower is set；
Step 5: inflation solenoid valve 2 is opened when 10 oxygen content of molding room is higher than setting value, when 10 pressure of molding room is high
Exhaust solenoid valve 5 is opened when setting value；
Step 6: forcibly closing inflation solenoid valve 2 if 10 hypertonia of molding room；
Step 7: repeating the 5th step, the 6th step, 10 oxygen content of molding room and pressure can be stabilized to a certain range.
In above process, when exhaust solenoid valve 5 is opened, 6 connected device lateral pressure of check valve is greater than atmospheric pressure one
It when definite value, automatically opens and is vented outwards, while preventing outside air from flowing backward.
Claims (5)
1. a kind of molding room's purification system for small-sized SLM 3D printer, which is characterized in that be connected to molding room (10) side
Gas tank (1) on wall, filled with inert gas in the gas tank (1), the bottom on the inside of molding room (10) is provided with smoke discharging pipe
(12) and blower duct (11), smoke discharging pipe (12) are connected to blower by the filtration core (13) being arranged on the outside of molding room (10)
(14) arrival end, blower duct (11) by piping connection to blower (14) outlet end, the row of being provided at the top of molding room (10)
Stomata (7), the gas vent (7) pass through piping connection to blower (14) outlet end.
2. a kind of molding room's purification system for small-sized SLM 3D printer according to claim 1, which is characterized in that
The rear wall of molding room (10) is additionally provided with blowhole (8), and the blowhole (8) passes through piping connection to blower (14) outlet end.
3. a kind of molding room's purification system for small-sized SLM 3D printer according to claim 1, which is characterized in that
Molding room's (10) side wall is equipped with aeration aperture (9), and the outlet end of gas tank (1) is by piping connection to aeration aperture (9), and gas tank
(1) inflation solenoid valve (2) is provided on the pipeline between outlet end and aeration aperture (9).
4. a kind of molding room's purification system for small-sized SLM 3D printer according to claim 1, which is characterized in that
Exhaust solenoid valve (5) and check valve (6) are disposed on the pipeline being connected with gas vent (7) from the near to the distant.
5. a kind of molding room's purification system for small-sized SLM 3D printer according to claim 1, which is characterized in that
Pressure sensor (4) for detecting molding room (10) interior pressure is also connected in molding room (10) and for detecting molding room
(10) oxygen level sensor (3) of interior oxygen content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113081.6U CN208529757U (en) | 2018-07-13 | 2018-07-13 | A kind of molding room's purification system for small-sized SLM 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113081.6U CN208529757U (en) | 2018-07-13 | 2018-07-13 | A kind of molding room's purification system for small-sized SLM 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208529757U true CN208529757U (en) | 2019-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113081.6U Active CN208529757U (en) | 2018-07-13 | 2018-07-13 | A kind of molding room's purification system for small-sized SLM 3D printer |
Country Status (1)
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| CN (1) | CN208529757U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743106A (en) * | 2020-12-30 | 2021-05-04 | 浙江拓博环保科技有限公司 | Atmosphere purification method and system |
| CN112974850A (en) * | 2021-01-25 | 2021-06-18 | 上海汉邦联航激光科技有限公司 | Smoke suction and exhaust system of 3D printer |
| CN113319296A (en) * | 2021-05-28 | 2021-08-31 | 威斯坦(厦门)实业有限公司 | Be applied to small-size 3D printer's exhaust guiding device and small-size 3D printer |
| CN113369638A (en) * | 2021-06-11 | 2021-09-10 | 西安理工大学 | Magnesium alloy electric arc additive protection device and use method |
-
2018
- 2018-07-13 CN CN201821113081.6U patent/CN208529757U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743106A (en) * | 2020-12-30 | 2021-05-04 | 浙江拓博环保科技有限公司 | Atmosphere purification method and system |
| CN112974850A (en) * | 2021-01-25 | 2021-06-18 | 上海汉邦联航激光科技有限公司 | Smoke suction and exhaust system of 3D printer |
| CN113319296A (en) * | 2021-05-28 | 2021-08-31 | 威斯坦(厦门)实业有限公司 | Be applied to small-size 3D printer's exhaust guiding device and small-size 3D printer |
| CN113369638A (en) * | 2021-06-11 | 2021-09-10 | 西安理工大学 | Magnesium alloy electric arc additive protection device and use method |
| CN113369638B (en) * | 2021-06-11 | 2022-12-06 | 西安理工大学 | Magnesium alloy electric arc additive protection device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191105 Address after: Group 4, Baihe community, Lichun Town, Pengzhou City, Sichuan Province Patentee after: Sichuan Kangming Intelligent Equipment Technology Co., Ltd. Address before: 710054, west five floor, Qujiang campus, Jiao Tong Road, Yanta District, Yanta District, Shaanxi, Xi'an, 99 Patentee before: Shaanxi Hengtong Intelligent Machine Co., Ltd. |