CN114272712A - 3D prints exhaust emission structure - Google Patents
3D prints exhaust emission structure Download PDFInfo
- Publication number
- CN114272712A CN114272712A CN202111653401.3A CN202111653401A CN114272712A CN 114272712 A CN114272712 A CN 114272712A CN 202111653401 A CN202111653401 A CN 202111653401A CN 114272712 A CN114272712 A CN 114272712A
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- Prior art keywords
- fan
- shaped structure
- filter
- exhaust emission
- die cavity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000010146 3D printing Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 19
- 230000005484 gravity Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 2
- 206010066054 Dysmorphism Diseases 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 28
- 239000004071 soot Substances 0.000 abstract description 13
- 230000003116 impacting effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 21
- 238000000926 separation method Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Abstract
The invention relates to the technical field of 3D printing systems, in particular to a 3D printing tail gas emission structure which comprises a seal box, a stripping mechanism, a filter, a fan and a material collection box, wherein the seal box, the stripping mechanism, the filter and the fan are sequentially communicated through a pipeline, the fan actively pulls the seal box to enable 3D printing tail gas in the seal box to enter the stripping mechanism, the 3D printing tail gas is separated into powder particles and soot particles by impacting a special-shaped structure in the stripping mechanism, the precipitated powder particles enter the material collection box to be recycled, and the soot particles enter the filter to be filtered and cleaned to ensure that clean gas is emitted. According to the invention, through the designed internal structure of the stripping mechanism, the weight of the particles is fully combined, the 3D printing tail gas is effectively separated, no power part is needed, and the cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field of 3D printing systems, in particular to a 3D printing tail gas emission structure.
Background
The recycling of inert gas is the basic condition of guarantee printing shaping in the metal 3D printing process, the metal shaping stage can be accompanied with the rising of oxygen content index, or print the preparation stage and for satisfying the inside composition index of the box of printing condition, equipment can carry out the action of washing gas, the powder particle specific gravity that stems from is light, also or the raise dust and the flying smoke that energy impact brought up when sintering float in the cabin, gas emission cabin outside under conventional conditions, on the one hand can be in the environment deposit, the electric cabinet body that wafts, cause the interference short circuit risk, or the diffuse inhales the human body in the workshop, the powder of discharging can not collect and cause the waste.
In the processing of present 3D printing apparatus tail gas, carry out the equipment of solid-gas separation through high-speed rotation, splitter carries out high-speed rotation under the condition of fan effect, can't retrieve in discharging into the atmosphere partial powder, has caused the pollution of huge waste and environment.
Disclosure of Invention
The invention provides a 3D printing tail gas emission structure, which is used for effectively separating solid and gas of 3D printing tail gas.
In order to realize the purpose of the invention, the adopted technical scheme is as follows: the utility model provides a 3D prints exhaust emission structure, including the seal box, peeling means, the filter, fan and collection box, the seal box, peeling means, filter and fan pass through the pipeline intercommunication in proper order, the fan initiative is drawn and is made the inside 3D of seal box print tail gas and get into peeling means, through striking inside the abnormal shape structure separation of peeling means for powder granule and cigarette ash granule, the powder granule of sediment gets into the box recovery of gathering materials and recycles, cigarette ash granule gets into the filter and filters clean assurance emission clear gas.
As an optimized scheme of the invention, the stripping mechanism comprises a plurality of fan blades, a conical groove, an upper die cavity and a lower die cavity, the fan blades are distributed along the axial core array of the conical groove, an air inlet of the stripping mechanism is arranged in the lower die cavity, and the outer contour of the conical groove is hermetically arranged in the inner cavity of the upper die cavity.
As an optimized scheme of the invention, the conical groove comprises an upper W-shaped structure and a lower M-shaped structure, and a plurality of openings are distributed on a dividing surface between the upper W-shaped structure and the lower M-shaped structure.
As an optimized scheme of the invention, the taper angles of the upper W-shaped structure and the lower M-shaped structure in the gravity direction are both smaller than 45 degrees.
As an optimized scheme of the invention, the four sides of the fan blade are in a trapezoid-like shape, the two sides of the fan blade are irregular arc sides, the two sides of the fan blade are horizontal sides, and one short horizontal side and two arc sides are in contact with the lower M-shaped structure.
As an optimized scheme of the invention, the included angle of the fan blades and the dividing plane between the upper W-shaped structure and the lower M-shaped structure is less than 30 degrees.
As an optimized scheme of the invention, the cavity in the upper die cavity sequentially consists of an upper large cylindrical section, an upper small cylindrical section and an upper conical end along the direction of counter gravity, the outer contour of the conical groove is hermetically arranged on the upper large cylindrical section of the cavity in the upper die cavity, and the conicity of the upper conical end is more than 45 degrees.
As an optimized scheme of the invention, the cavity in the lower die cavity is sequentially composed of a lower large cylindrical section, a lower small cylindrical section and a lower conical end along the gravity direction, the taper of the lower conical end is more than 45 degrees, the lower small cylindrical section is connected with a lower aggregate box, and the lower large cylindrical section is connected with the upper die cavity.
As an optimized scheme of the invention, a filter element is fixedly arranged in the filter, a sealing layer is arranged between the filter element and the filter, a sealing cover is arranged on the end face of the filter to form a sealing cavity with the sealing layer, and a sealing end cover is connected with the fan.
As an optimized scheme of the invention, the seal box is communicated with the stripping mechanism through a pipeline, an electromagnetic valve is arranged on the communicated pipeline, the working frequency fed back by the fan is required to reach the standard before the electromagnetic valve works, and the electromagnetic valve executes opening action.
The invention has the positive effects that: 1) according to the invention, the 3D printing tail gas enters the stripping mechanism by adopting a fan active traction method, the movement track of particles is changed by impacting a special-shaped structure in the stripping mechanism, starch powder particles are precipitated, and the soot particles are recovered by the filter, so that the cleanness of the exhaust gas is ensured, and the precipitated powder particles are recovered and reused;
2) according to the invention, the special-shaped structure in the stripping mechanism is designed, the weight of the particles is fully combined, the 3D printing tail gas is effectively separated, no power part or complex instrument is needed in the whole separation process, the particle separation is effectively ensured, and the cost is greatly reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of a fan blade configuration;
FIG. 4 is a perspective view of a fan blade;
wherein: 1. the device comprises a sealing box, 2, a stripping mechanism, 3, a filter, 4, a fan, 5, an aggregate box, 21, a fan blade, 22, a conical groove, 23, an upper die cavity, 24, a lower die cavity, 221, an upper W-shaped structure, 222, a lower M-shaped structure, 6, a filter element, 7, a sealing cover, 8, an electromagnetic valve, 9, a first pipeline, 10, a second pipeline, 11, a third pipeline, 12 and a cabin door.
Detailed Description
As shown in fig. 1-2, the invention discloses a 3D printing tail gas emission structure, which comprises a seal box 1, a stripping mechanism 2, a filter 3, a fan 4 and a material collection box 5, wherein the seal box 1, the stripping mechanism 2, the filter 3 and the fan 4 are sequentially communicated through a pipeline, the fan 4 actively pulls the 3D printing tail gas in the seal box 1 to enter the stripping mechanism 2, the 3D printing tail gas is separated into powder particles and soot particles by impacting a special-shaped structure in the stripping mechanism 2, the precipitated powder particles enter the material collection box 5 to be recycled, and the soot particles enter the filter 3 to be filtered and cleaned to ensure that clean gas is emitted. Wherein, the inside atmospheric pressure of seal box 1 is slightly higher than absolute atmospheric pressure, and the box 5 that gathers materials is installed in the below of peeling means 2, and peeling means 2's exit structure is for the side entry is ejecting, and peeling means 2's ejecting structure communicates filter 3 through third pipeline 11. The hatch door 12 is installed at the side of the hermetic box 1.
The stripping mechanism 2 comprises a plurality of fan blades 21, a conical groove 22, an upper die cavity 23 and a lower die cavity 24, the fan blades 21 are distributed along the axial core array of the conical groove 22, an air inlet of the stripping mechanism 2 is arranged in the lower die cavity 24, and the outer contour of the conical groove 22 is hermetically arranged in the inner cavity of the upper die cavity 23.
The tapered slot 22 includes an upper W-shaped structure 221 and a lower M-shaped structure 222, and a plurality of openings are disposed on a dividing plane between the upper W-shaped structure 221 and the lower M-shaped structure 222. Wherein the upper W-shaped structure 221 is formed by a W-shaped rotation, and the lower M-shaped structure 222 is formed by an M-shaped rotation. When the gas is pulled, the gas flows through the openings on the dividing surface between the upper W-shaped structure 221 and the lower M-shaped structure 222.
The upper W-shaped structure 221 and the lower M-shaped structure 222 both have a taper angle of less than 45 ° in the direction of gravity. The axial core of the conical groove 22 is concentric with the axial core of the upper die cavity 23.
As shown in fig. 3 and 4, the four sides of the fan 21 are in a trapezoid-like shape, two sides of the fan 21 are irregular arc sides, two sides of the fan 21 are horizontal sides, and one short horizontal side and two arc sides contact the lower M-shaped structure 222. The fan blades 21 are obliquely arranged on the lower M-shaped structure 222, and the included angle between the fan blades 21 and the dividing plane between the upper W-shaped structure 221 and the lower M-shaped structure 222 is less than 30 degrees. The fan blades 21 are designed in the aforementioned structure so that the heavier soot particles enter the collecting box 5 and the lighter particles move upward.
The inner cavity of the upper die cavity 23 is composed of an upper large cylindrical section, an upper small cylindrical section and an upper conical end in sequence along the direction of counter gravity, the outer contour of the conical groove 22 is hermetically arranged on the upper large cylindrical section of the inner cavity of the upper die cavity 23, and the conicity of the upper conical end is more than 45 degrees.
The inner cavity of the lower die cavity 24 is sequentially composed of a lower large cylindrical section, a lower small cylindrical section and a lower conical end along the gravity direction, the taper of the lower conical end is larger than 45 degrees, the lower small cylindrical section is connected with the lower material collecting box 5, and the lower large cylindrical section is connected with the upper die cavity 23.
The filter 3 is internally and fixedly provided with a filter element 6, a sealing layer is arranged between the filter element 6 and the filter 3, the end face of the filter 3 is provided with a sealing cover 7 to form a sealing cavity with the sealing layer, and the sealing end cover 7 is connected with the fan 4.
The seal box 1 and the stripping mechanism 2 are communicated through a pipeline, the communicated pipeline is provided with an electromagnetic valve 8, the working frequency fed back by the fan 4 is required before the electromagnetic valve 8 works and reaches the standard, and the electromagnetic valve 8 executes opening action. The piping includes a first piping 9 and a second piping 10, the first piping 9 is connected between the seal box 1 and the electromagnetic valve 8, and the second piping 10 is connected between the electromagnetic valve 8 and the peeling mechanism 2. When the working frequency fed back by the fan 4 reaches the standard, the electromagnetic valve 8 executes opening action to ensure that particles are effectively separated.
Structurally provide the initiative by fan 4 and pull, it is inside that gaseous 24 side direction entering of lower mould chamber, wherein 3D prints tail gas composition and includes: the gas enters the lower die cavity 24 and then performs column winding action, the soot particles gradually precipitate and fall into the material collecting box 5 under the action of centripetal force and gravity, the soot particles and lighter soot particles are endowed with movement speed under the traction action and move upwards, the movement track direction is changed after the soot particles and lighter soot particles collide with the conical surface or the fan sheet 21 of the M-shaped structure 222 during rising, and the traction force is not enough to drive the heavier soot particles in the rising particles, so that the precipitation is performed. The taper angles of the upper W-shaped structure 221 and the lower M-shaped structure 222 in the gravity direction are all smaller than 45 degrees, the taper angle of the upper conical end is larger than 45 degrees, and the taper angle of the lower conical end is larger than 45 degrees, so that the upward movement track can be changed, and the included angle of the fan blade 21 and the partition surface between the upper W-shaped structure 221 and the lower M-shaped structure 222 is smaller than 30 degrees, so that absolute change can be realized, and particle separation can be effectively guaranteed.
The preferred structure is as follows:
1) the filter 3 is horizontally arranged, and a settling zone space is formed between the wall of the filter 3 and the filter element 6 and can be used for settling the soot particles;
2) the fan 4 is in active traction action, the working frequency fed back by the fan 4 is required to reach the standard before the electromagnetic valve 8 works, and the electromagnetic valve 8 executes opening action;
3) the air inlet of the stripping mechanism 2 is arranged at the lower large cylindrical section of the lower die cavity 24, and the rest positions can be provided with air inlets without forcibly limiting the hole opening position;
4) the upper die cavity 23 preferably adopts a three-end structure of an upper large cylindrical section, an upper small cylindrical section and an upper conical end, or a structure that a large cylindrical section is directly transited to a small cylindrical section;
5) a plurality of openings are arranged on the dividing plane between the upper W-shaped structure 221 and the lower M-shaped structure 222.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a 3D prints exhaust emission structure which characterized in that: the device comprises a sealing box (1), a stripping mechanism (2), a filter (3), a fan (4) and a material collecting box (5), wherein the sealing box (1), the stripping mechanism (2), the filter (3) and the fan (4) are sequentially communicated through a pipeline; fan (4) initiative traction make the inside 3D of seal box (1) print tail gas and get into peeling means (2), separate into powder granule and cigarette ash granule through striking peeling means (2) inside dysmorphism structure, the powder granule of sediment gets into collection box (5) and retrieves and recycles, cigarette ash granule gets into filter (3) and filters clean and ensure to discharge clear gas.
2. The 3D printing exhaust emission structure according to claim 1, wherein: the stripping mechanism (2) comprises a plurality of fan blades (21), a conical groove (22), an upper die cavity (23) and a lower die cavity (24), wherein the fan blades (21) are distributed along the axial core array of the conical groove (22), an air inlet of the stripping mechanism (2) is formed in the lower die cavity (24), and the outer contour of the conical groove (22) is hermetically installed in the inner cavity of the upper die cavity (23).
3. The 3D printing exhaust emission structure according to claim 2, wherein: the taper groove (22) comprises an upper W-shaped structure (221) and a lower M-shaped structure (222), and a plurality of openings are distributed on a dividing surface between the upper W-shaped structure (221) and the lower M-shaped structure (222).
4. The 3D printing exhaust emission structure according to claim 3, characterized in that: the upper W-shaped structure (221) and the lower M-shaped structure (222) both have a taper angle of less than 45 degrees in the direction of gravity.
5. The 3D printing exhaust emission structure according to claim 3, characterized in that: the four sides of the fan piece (21) are in a trapezoid-like shape, two sides of the fan piece (21) are irregular arc sides, two sides of the fan piece (21) are horizontal sides, and one short horizontal side and two arc sides are in contact with the lower M-shaped structure (222).
6. The 3D printing exhaust emission structure according to claim 5, wherein: the included angle of the fan sheet (21) and the dividing plane between the upper W-shaped structure (221) and the lower M-shaped structure (222) is less than 30 degrees.
7. The 3D printing exhaust emission structure according to claim 2, wherein: the inner cavity of the upper die cavity (23) is sequentially composed of an upper large cylindrical section, an upper small cylindrical section and an upper conical end along the direction of counter gravity, the outer contour of the conical groove (22) is hermetically arranged on the upper large cylindrical section of the inner cavity of the upper die cavity (23), and the conicity of the upper conical end is more than 45 degrees.
8. The 3D printing exhaust emission structure according to claim 2, wherein: the inner cavity of the lower die cavity (24) is sequentially composed of a lower large cylindrical section, a lower small cylindrical section and a lower conical end along the gravity direction, the taper of the lower conical end is more than 45 degrees, the lower small cylindrical section is connected with the lower material collecting box (5), and the lower large cylindrical section is connected with the upper die cavity (23).
9. The 3D printing exhaust emission structure according to claim 1, wherein: the filter (3) is internally and fixedly provided with a filter element (6), a sealing layer is arranged between the filter element (6) and the filter (3), the end face of the filter (3) is provided with a sealing cover (7) to form a sealing cavity with the sealing layer, and the sealing end cover (7) is connected with the fan (4).
10. The 3D printing exhaust emission structure according to any one of claims 1 to 9, wherein: the seal box (1) is communicated with the stripping mechanism (2) through a pipeline, the communicated pipeline is provided with an electromagnetic valve (8), the working frequency fed back by the fan (4) is required before the electromagnetic valve (8) works and reaches the standard, and the electromagnetic valve (8) executes opening action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653401.3A CN114272712A (en) | 2021-12-30 | 2021-12-30 | 3D prints exhaust emission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653401.3A CN114272712A (en) | 2021-12-30 | 2021-12-30 | 3D prints exhaust emission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114272712A true CN114272712A (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111653401.3A Pending CN114272712A (en) | 2021-12-30 | 2021-12-30 | 3D prints exhaust emission structure |
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| CN (1) | CN114272712A (en) |
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| JP2012055839A (en) * | 2010-09-09 | 2012-03-22 | Amano Corp | Apparatus for removing oil mist |
| WO2014182121A1 (en) * | 2013-05-10 | 2014-11-13 | 엘지전자 주식회사 | Centrifugal fan and method for manufacturing same |
| CN206688378U (en) * | 2017-04-14 | 2017-12-01 | 宜兴市东方锅炉除尘设备厂有限公司 | Tower tubular type cyclone dust catcher |
| US20200070079A1 (en) * | 2018-08-31 | 2020-03-05 | Jeong Hwa SON | Filtration System |
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| CN210993444U (en) * | 2019-11-05 | 2020-07-14 | 成都航空职业技术学院 | Air purification structure for 3D printer |
| WO2020171718A1 (en) * | 2019-02-22 | 2020-08-27 | Peakvent As | Air filter device |
| CN113385016A (en) * | 2021-06-05 | 2021-09-14 | 杨显涛 | Boiler desulfurization and denitrification device |
-
2021
- 2021-12-30 CN CN202111653401.3A patent/CN114272712A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000200A1 (en) * | 2001-11-07 | 2005-01-06 | Bjorn Christiansen | Axial demisting cyclone |
| CN201735262U (en) * | 2010-07-06 | 2011-02-09 | 中国石油天然气股份有限公司 | Gas-liquid separator in pipe body |
| JP2012055839A (en) * | 2010-09-09 | 2012-03-22 | Amano Corp | Apparatus for removing oil mist |
| WO2014182121A1 (en) * | 2013-05-10 | 2014-11-13 | 엘지전자 주식회사 | Centrifugal fan and method for manufacturing same |
| CN206688378U (en) * | 2017-04-14 | 2017-12-01 | 宜兴市东方锅炉除尘设备厂有限公司 | Tower tubular type cyclone dust catcher |
| US20200070079A1 (en) * | 2018-08-31 | 2020-03-05 | Jeong Hwa SON | Filtration System |
| WO2020171718A1 (en) * | 2019-02-22 | 2020-08-27 | Peakvent As | Air filter device |
| CN210874649U (en) * | 2019-10-15 | 2020-06-30 | 南京精铖新材料科技有限公司 | Multistage filtration gas circulation clean system of 3D printing system |
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| CN113385016A (en) * | 2021-06-05 | 2021-09-14 | 杨显涛 | Boiler desulfurization and denitrification device |
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| PB01 | Publication | ||
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Application publication date: 20220405 |