CN220093052U - Inert gas protection mechanism for laser 3D printer - Google Patents
Inert gas protection mechanism for laser 3D printer Download PDFInfo
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- CN220093052U CN220093052U CN202320876195.0U CN202320876195U CN220093052U CN 220093052 U CN220093052 U CN 220093052U CN 202320876195 U CN202320876195 U CN 202320876195U CN 220093052 U CN220093052 U CN 220093052U
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- inert gas
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- air
- purifying
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- 239000011261 inert gas Substances 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000007639 printing Methods 0.000 claims abstract description 71
- 238000007664 blowing Methods 0.000 claims abstract description 42
- 238000007599 discharging Methods 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- -1 but not limited to Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 230000006378 damage Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 20
- 239000000843 powder Substances 0.000 description 17
- 239000000779 smoke Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- 238000010146 3D printing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 208000007204 Brain death Diseases 0.000 description 1
- 208000020564 Eye injury Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 208000004852 Lung Injury Diseases 0.000 description 1
- 206010069363 Traumatic lung injury Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000029028 brain injury Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 231100000515 lung injury Toxicity 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides an inert gas protection mechanism for a laser 3D printer, which comprises the following components: the laser 3D printer comprises a laser 3D printer body, a printing cavity, a printing base station, an inflating device, a surrounding and blocking part, a pair blowing curtain part and a purifying and discharging device; the printing cavity is formed in the laser 3D printer main body, the printing base station is installed in the printing cavity, the enclosing part is installed on the printing base station, the air charging device is communicated with the enclosing part, the two groups of air blowing curtain parts are oppositely installed on the enclosing part, the purifying and discharging device is arranged on the printing base station and is communicated with the enclosing part, inert gas can be enclosed and blocked, the inert gas is prevented from outwards drifting to generate leakage, the printing process can be protected, the printing success is ensured, the used inert gas can be purified and slowly discharged, and the harm to human bodies and the environment is reduced.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to an inert gas protection mechanism for a laser 3D printer.
Background
Compared with the traditional manufacturing method, the 3D printing technology has the advantages that the production period is short, a cutter is not needed, and the die can be used for processing parts with complex shapes. The selective laser melting technology (SLM) is one of 3D printing technologies, and the SLM is a technology which utilizes metal powder to be completely melted under the heat action of laser beams and is formed through cooling and solidification, so that metal parts with nearly complete density can be directly formed, and the SLM is widely applied to the fields of automobiles, aerospace, military industry and the like at present.
Because metal powder is high in activity, potential safety hazards are easily caused, metal 3D printing is often required to be carried out under the protection of inert gas, namely, a printing bin is filled with the inert gas, the metal powder is prevented from being ignited when laser irradiates metal powder consumable materials, on the other hand, because the metal powder is very small in granularity and very easy to oxidize, and the inert gas can reduce the oxidation of the metal powder to the greatest extent.
Although the reactivity of the inert gas is very low, no direct toxic or side effect is caused on human bodies, such as nitrogen which is often used in metal 3D printing, continuous inhalation is a high-risk action, which can lead to rapid hypoxia and asphyxia of personnel and loss of consciousness, even irreversible brain injury and death, and in addition, the inert gas used in the printing process can be accompanied with harmful smoke dust generated after metal powder consumable materials are sintered by laser, so that the inert gas becomes industrial waste gas, has great harm to human bodies, and can cause the conditions of lung injury, eye injury and the like.
Disclosure of Invention
The utility model aims to provide an inert gas protection mechanism for a laser 3D printer, so as to solve the problems.
In order to achieve the above object, an embodiment of the present utility model provides an inert gas protection mechanism for a laser 3D printer, including: the laser 3D printer comprises a laser 3D printer body, a printing cavity, a printing base station, an inflating device, a surrounding and blocking part, a pair blowing curtain part and a purifying and discharging device;
the printing cavity is arranged in the laser 3D printer main body, the printing base station is arranged in the printing cavity, the enclosing part is arranged on the printing base station, the air charging device is communicated with the enclosing part, two groups of opposite blowing curtain parts are oppositely arranged on the enclosing part, the purifying and discharging device is arranged on the printing base and is communicated with the enclosing part, wherein the air charging device is arranged on the printing base and is communicated with the air charging device
Driving two groups of the pair of air blowing curtain parts, wherein the two groups of the pair of air blowing curtain parts can blow oppositely and form an air curtain above the surrounding baffle part so as to prevent inert gas from leaking and drifting;
the purification and emission device is driven, and the purification and emission device can suck and purify the polluted inert gas in the enclosure part and then discharge the polluted inert gas.
Further, the enclosing part comprises an enclosing baffle plate and a front baffle plate;
the surrounding baffle plate is arranged on the printing base, and the front baffle plate is connected with the surrounding baffle plate in a sliding manner;
the printing base is provided with a through groove which is attached to the outer contour of the front baffle, wherein,
and the front baffle plate is pulled down and slides down.
Further, the pair of blowing curtain parts comprise a blowing port, an air inlet pipe, a first air conveying pipe and a second air conveying pipe;
a plurality of air blowing openings are arranged on the plate wall at one side of the surrounding baffle plate, a plurality of air inlet pipes are respectively communicated with a plurality of air blowing openings, a second air conveying pipe is communicated with a plurality of air inlet pipes, one end of a first air conveying pipe is communicated with the second air conveying pipe, and the other end of the first air conveying pipe is communicated with the output end of an external fan, wherein
The peripheral fan is driven, and the peripheral fan blows out air from the output end of the peripheral fan and sequentially passes through the first air conveying pipe, the second air conveying pipe and the air inlet pipes to reach the air blowing ports.
Further, the purifying and discharging device comprises an exhaust fan, a discharging pipe and a purifying and discharging box;
the exhaust fan is installed on the printing base station through a support, an air inlet of the exhaust fan is communicated with the inside of the surrounding baffle, one end of the exhaust pipe is connected with an air outlet of the exhaust fan, and the other end of the exhaust pipe is communicated with the purifying exhaust box, wherein
The suction fan is driven, and the suction fan starts to operate and generates suction force.
Further, a grid interlayer is arranged in the purifying and discharging box, and a plurality of activated carbon are placed in the grid interlayer;
rectangular through holes are formed in the top of the purifying and discharging box.
Further, the material of the front baffle includes, but is not limited to, glass.
Further, the air blowing openings are in a trapezoid shape.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
1. the shielding part and the blowing curtain part can be used for shielding and blocking the inert gas, and the protection is added again on the basis of the protection of the laser 3D printer main body, so that the inert gas is prevented from outwards drifting to generate leakage, and accidents caused by excessive inhalation of the inert gas by personnel are prevented;
2. the inert gas can be blocked by the blocking part and the blowing curtain part, so that the inert gas is prevented from outwards drifting to leak, the inert gas exists above the printing base for a long time, the printing process is protected, the metal powder is prevented from being ignited when the laser irradiates the metal powder consumable, the printing success is ensured, meanwhile, the oxidation of the metal powder is reduced to the greatest extent, the waste of the consumable is reduced, and the printing cost is reduced;
3. the inert gas attached with the smoke dust can be discharged through the purification and discharge device, so that the visibility reduction caused by excessive smoke dust is prevented, and the personnel can monitor the printing process in real time;
4. the used inert gas can be purified and slowly discharged through the purification and discharge device, so that the harm to human bodies and the environment is reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 shows a perspective view of the present utility model;
FIG. 2 shows a partial front view of the present utility model;
FIG. 3 shows a partial perspective view of the present utility model;
FIG. 4 shows a schematic drawing of the front baffle of the present utility model as it is pulled down;
FIG. 5 shows a cross-sectional view at A of FIG. 2 of the present utility model;
fig. 6 shows an enlarged view of fig. 3B of the present utility model.
In the figure
1. A laser 3D printer body;
2. a print chamber;
3. printing a base station;
4. an inflator;
5. a surrounding part; 51. a surrounding baffle; 52. a front baffle;
6. a pair of air blowing curtain parts; 61. blowing an air port; 62. an air inlet pipe; 63. a first air delivery pipe; 64. a second air delivery pipe;
7. purifying the discharge device; 71. an exhaust fan; 72. a discharge pipe;
73. purifying the discharge box; 731. a grid interlayer; 732. activated carbon; 733. rectangular through holes;
8. and (3) a bracket.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Referring to fig. 1, fig. 1 shows a perspective view of the present utility model; referring to fig. 2, fig. 2 shows a partial front view of the present utility model; referring to fig. 3, fig. 3 shows a partial perspective view of the present utility model; referring to fig. 4, fig. 4 is a schematic view of the front baffle of the present utility model when pulled down; referring to fig. 5, fig. 5 shows a cross-sectional view at a of fig. 2 of the present utility model; referring to fig. 6, fig. 6 shows an enlarged view of fig. 3 at B in accordance with the present utility model; as shown in fig. 1-6, an inert gas shielding mechanism for a laser 3D printer includes: a laser 3D printer body 1, a printing cavity 2, a printing base 3, an inflating device 4, a surrounding and blocking part 5, a pair of air blowing curtain part 6 and a purifying and discharging device 7;
the printing cavity 2 is arranged inside the laser 3D printer main body 1, the printing base 3 is arranged in the printing cavity 2, the enclosing part 5 is arranged on the printing base 3, the air charging device 4 is communicated with the enclosing part 5, two groups of the pair of air blowing curtain parts 6 are oppositely arranged on the enclosing part 5, the purifying and discharging device 7 is arranged on the printing base 3 and is communicated with the enclosing part 5, wherein
Driving two groups of the pair of air blowing curtain parts 6, wherein the two groups of the pair of air blowing curtain parts 6 can blow oppositely and form an air curtain above the surrounding baffle part 5 so as to prevent inert gas from leaking and drifting;
the device is driven to the purifying and discharging device 7, the purifying and discharging device 7 can absorb and discharge polluted inert gas in the enclosing and blocking part 5 after purifying the polluted inert gas, the inert gas can be enclosed and blocked through the enclosing and blocking part 5 and the blowing curtain part 6, the protection is added again on the protection basis of the laser 3D printer main body 1, the inert gas is prevented from outwards drifting and leaking, thereby the accident caused by excessive inhalation of the inert gas by personnel is prevented, meanwhile, the inert gas can exist above the printing base 3 for a long time, the printing process is protected, the metal powder is prevented from being ignited when the laser irradiates the metal powder consumable, the printing success is ensured, meanwhile, the oxidation of the metal powder is furthest reduced, the waste of the consumable is reduced, the printing cost is reduced, the inert gas attached with smoke dust can be discharged through the purifying and discharging device 7, the visibility is prevented from being reduced due to excessive smoke dust, the real-time monitoring of the printing process is ensured, and the used inert gas can be simultaneously purified and slowly discharged, and the harm to the human body and the environment is reduced.
Optionally, the enclosure part 5 includes an enclosure plate 51 and a front baffle plate 52;
the surrounding baffle plate 51 is installed on the printing base 3, and the front baffle plate 52 is connected with the surrounding baffle plate 51 in a sliding manner;
the printing base 3 is provided with a through groove which is attached to the outer contour of the front baffle plate 52, wherein,
the front baffle plate 52 is pulled down, the front baffle plate 52 slides down, the surrounding baffle plate 51 and the front baffle plate 52 form a space with sealed periphery, the inert gas is prevented from being diffused and leaked transversely, the front baffle plate 52 can be pulled, but under normal state, the front baffle plate 52 cannot naturally slide down, and the installation positions of the surrounding baffle plate 51 and the front baffle plate 52 cannot influence the whole printing process.
Optionally, the pair of blowing curtain portions 6 includes a blowing port 61, an air inlet pipe 62, a first air delivery pipe 63, and a second air delivery pipe 64;
a plurality of air blowing openings 61 are arranged on the plate wall on one side of the surrounding baffle plate 51, a plurality of air inlet pipes 62 are respectively communicated with a plurality of air blowing openings 61, a second air conveying pipe 64 is communicated with a plurality of air inlet pipes 62, one end of a first air conveying pipe 63 is communicated with the second air conveying pipe 64, the other end of the first air conveying pipe 63 is communicated with the output end of an external fan, wherein
The peripheral fan is driven, the peripheral fan blows out wind from the output end of the peripheral fan and sequentially passes through the first air conveying pipe 63, the second air conveying pipe 64 and the air inlet pipes 62 to the air blowing ports 61, the wind is blown out, the opposite blowing is carried out on the air blowing curtain parts 6 through two groups installed in opposite directions, inert gas is prevented from drifting and leaking from the vertical direction, meanwhile, the inert gas can exist above the printing base table 3 for a long time, the printing process is protected, the metal powder is ignited when the laser is prevented from irradiating metal powder consumable, the printing success is ensured, the irradiation of laser beams is not influenced, the opening surfaces of the air blowing ports 61 are coplanar with the inner side walls of the surrounding baffle plates 51, and the printing process is not influenced.
Optionally, the purge drain 7 includes a suction fan 71, a drain pipe 72, and a purge drain tank 73;
the exhaust fan 71 is installed on the printing base 3 through the bracket 8, an air inlet of the exhaust fan 71 is communicated with the inside of the surrounding baffle plate 51, one end of the exhaust pipe 72 is connected with an air outlet of the exhaust fan 71, and the other end of the exhaust pipe 72 is communicated with the purifying exhaust box 73, wherein
The exhaust fan 71 is driven, the exhaust fan 71 starts to operate and generates suction force, inert gas in the surrounding baffle plate 51 is sucked and discharged into the purifying discharge box 73 through the discharge pipe 72, the phenomenon that visibility is reduced due to excessive smoke dust attached to the inert gas is prevented, the support 8 is a frame for supporting objects, the air inlet of the exhaust fan 71 does not exceed the inner side wall of the surrounding baffle plate 51, the printing process is not influenced, after printing is finished, the inert gas in the surrounding baffle plate 51 and the front baffle plate 52 is fully sucked and discharged through the purifying discharge device 7, and excessive residual inert gas is prevented from being sucked when an operator takes out a model.
Optionally, a mesh interlayer 731 is installed in the purifying and discharging box 73, and a plurality of activated carbon 732 are placed in the mesh interlayer 731;
rectangular through holes 733 are formed in the top of the purifying and discharging box 73, smoke dust in inert gas is adsorbed through a plurality of activated carbons 732, the pollution degree of the discharged inert gas is reduced, if a large amount of inert gas is accumulated together, the surrounding oxygen content is greatly reduced, people are choked, the slender rectangular through holes 733 serve as the only outlet of the large purifying and discharging box 73, the inert gas is slowly discharged, the harm to human bodies and the environment is reduced, and the purifying and discharging box 73 is placed outdoors.
Optionally, the front panel 52 may be made of a material including, but not limited to, glass, so that a person may observe and monitor the printing process through the front panel 52.
Optionally, the plurality of air blowing openings 61 are trapezoidal, so as to enlarge the air outlet surface, and form a complete air curtain on the top of the surrounding baffle plate 51, thereby effectively preventing inert gas from drifting and leaking.
Working principle: after preparation before printing work is finished, the front baffle plate 52 is pulled up to be completely closed with the surrounding baffle plate 51, the peripheral fan is driven to blow air from the output end of the peripheral fan and sequentially reaches the air blowing openings 61 through the first air conveying pipe 63, the second air conveying pipe 64 and the air inlet pipes 62, the air is blown out, a complete air curtain is formed above the surrounding baffle plate 51, the opening of the surrounding baffle plate 51 is completely shielded to prevent inert gas from drifting and leaking, then the inert gas is filled into a space formed by the surrounding baffle plate 51 and the front baffle plate 52 through the air charging device 4, after filling is finished, the filling is stopped, at the moment, the two groups of air blowing curtain parts 6 can enable the inert gas to exist above the printing base table 3 for a long time, the printing process is protected, the metal powder is prevented from being ignited when the metal powder consumable is irradiated by laser, the printing success is ensured, and then the laser 3D printer is operated to start printing, as printing proceeds, when the visibility is lowered to hinder the observation due to excessive smoke content in the inert gas, printing is suspended and the suction fan 71 is driven, the suction fan 71 starts to operate and generates suction, the inert gas inside the surrounding baffle plate 51 and the front baffle plate 52 is sucked and discharged into the purge discharge box 73 through the discharge pipe 72, the inert gas mixed with the smoke dust reaches the inside of the purge discharge box 73 and then drifts upwards, when the inert gas passes through the activated carbon 732, the activated carbon 732 adsorbs the smoke dust in the inert gas to reduce the pollution degree of the inert gas, the purified inert gas is slowly discharged through the rectangular through holes 733 and drifts outwards, when the dirty inert gas in the surrounding baffle plate 51 and the front baffle plate 52 is pumped, the visibility in the surrounding baffle plate 51 and the front baffle plate 52 is restored and the suction fan 71 is stopped to be driven, filling inert gas into the space formed by the surrounding baffle plate 51 and the front baffle plate 52 again through the air charging device 4, stopping filling and continuing printing after filling, driving the exhaust fan 71 after printing is completed, fully sucking and discharging the inert gas in the surrounding baffle plate 51 and the front baffle plate 52, stopping driving the peripheral fan and pulling the front baffle plate 52 downwards to enable the front baffle plate 52 to move downwards, and processing a printed model, wherein the working process of the inert gas protection mechanism for the laser 3D printer is described above.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. An inert gas protection mechanism for a laser 3D printer, comprising: the laser 3D printer comprises a laser 3D printer body (1), a printing cavity (2), a printing base (3), an inflating device (4), a surrounding and blocking part (5), a pair-blowing curtain part (6) and a purifying and discharging device (7);
the laser 3D printer is characterized in that the printing cavity (2) is formed inside the laser 3D printer main body (1), the printing base (3) is installed in the printing cavity (2), the enclosing part (5) is installed on the printing base (3), the inflating device (4) is communicated with the enclosing part (5), two groups of the pair of air blowing curtain parts (6) are installed on the enclosing part (5) in opposite directions, the purifying and discharging device (7) is arranged on the printing base (3) and is communicated with the enclosing part (5), wherein the purifying and discharging device is arranged on the printing base (3) in a reverse direction
Driving two groups of opposite blowing curtain parts (6), wherein the two groups of opposite blowing curtain parts (6) can oppositely blow and form an air curtain above the surrounding baffle part (5) so as to prevent inert gas from leaking and drifting;
the purifying and discharging device (7) is driven, and the purifying and discharging device (7) can suck and purify the polluted inert gas in the enclosing part (5) and then discharge the polluted inert gas.
2. The inert gas shielding mechanism for a laser 3D printer according to claim 1,
the enclosing part (5) comprises an enclosing baffle plate (51) and a front baffle plate (52);
the surrounding baffle plate (51) is arranged on the printing base (3), and the front baffle plate (52) is connected with the surrounding baffle plate (51) in a sliding manner;
the printing base (3) is provided with a through groove which is attached to the outer contour of the front baffle (52), wherein,
the front baffle (52) is pulled down, and the front baffle (52) slides down.
3. An inert gas shielding mechanism for a laser 3D printer according to claim 2,
the pair of blowing curtain parts (6) comprise a blowing port (61), an air inlet pipe (62), a first air conveying pipe (63) and a second air conveying pipe (64);
a plurality of air blowing openings (61) are arranged on the plate wall at one side of the surrounding baffle plate (51), a plurality of air inlet pipes (62) are respectively communicated with a plurality of air blowing openings (61), a second air conveying pipe (64) is communicated with a plurality of air inlet pipes (62), one end of a first air conveying pipe (63) is communicated with the second air conveying pipe (64), and the other end of the first air conveying pipe (63) is communicated with the output end of an external fan, wherein
The peripheral fan is driven, the peripheral fan blows out wind from the output end of the peripheral fan and sequentially passes through the first air conveying pipe (63), the second air conveying pipe (64) and the air inlet pipes (62) to reach the air blowing openings (61).
4. An inert gas shielding mechanism for a laser 3D printer as claimed in claim 3,
the purifying and discharging device (7) comprises an exhaust fan (71), a discharging pipe (72) and a purifying and discharging box (73);
the exhaust fan (71) is arranged on the printing base (3) through a bracket (8), an air inlet of the exhaust fan (71) is communicated with the inside of the surrounding baffle plate (51), one end of the exhaust pipe (72) is connected with an air outlet of the exhaust fan (71), and the other end of the exhaust pipe (72) is communicated with the purifying exhaust box (73), wherein
The suction fan (71) is driven, and the suction fan (71) starts to operate and generates suction force.
5. The inert gas shielding mechanism for a laser 3D printer according to claim 4,
a grid interlayer (731) is arranged in the purifying and discharging box (73), and a plurality of activated carbon (732) are arranged in the grid interlayer (731);
a rectangular through hole (733) is formed in the top of the purification and discharge box (73).
6. The inert gas shielding mechanism for a laser 3D printer according to claim 5,
the front baffle (52) is made of materials including, but not limited to, glass.
7. The inert gas shielding mechanism for a laser 3D printer according to claim 6,
the blowing openings (61) are trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320876195.0U CN220093052U (en) | 2023-04-13 | 2023-04-13 | Inert gas protection mechanism for laser 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320876195.0U CN220093052U (en) | 2023-04-13 | 2023-04-13 | Inert gas protection mechanism for laser 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220093052U true CN220093052U (en) | 2023-11-28 |
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ID=88841396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320876195.0U Active CN220093052U (en) | 2023-04-13 | 2023-04-13 | Inert gas protection mechanism for laser 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220093052U (en) |
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2023
- 2023-04-13 CN CN202320876195.0U patent/CN220093052U/en active Active
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