CN207823966U - A kind of air-tightness powder sieving system applied to metal 3D printer - Google Patents
A kind of air-tightness powder sieving system applied to metal 3D printer Download PDFInfo
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- CN207823966U CN207823966U CN201820107532.9U CN201820107532U CN207823966U CN 207823966 U CN207823966 U CN 207823966U CN 201820107532 U CN201820107532 U CN 201820107532U CN 207823966 U CN207823966 U CN 207823966U
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- 239000000843 powder Substances 0.000 title claims abstract description 135
- 239000002184 metal Substances 0.000 title claims abstract description 76
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 76
- 238000007873 sieving Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000012216 screening Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000037361 pathway Effects 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 230000010355 oscillation Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a kind of air-tightness powder sieving systems applied to metal 3D printer;Including feeding mechanism, oscillating sieving machine structure, powder collecting mechanism and the control module set gradually from top to bottom;Feeding mechanism is used to metal powder being conveyed to oscillating sieving machine structure;Oscillating sieving machine structure is used to carry out vibration screening to metal powder;Powder collecting mechanism to the metal powder of vibration screening for being collected storage;Connection between feeding mechanism, oscillating sieving machine structure and powder collecting mechanism connects for hermetic seal, and charging, vibrating screen powder and the collection storage process of metal powder is made to be carried out under the sealed pathway with atmospheric isolation;This air-tightness powder sieving System and method for considerably increases stability when metal powder screening, greatly improves the speed of sieve powder, effectively prevent powder contaminated, while extending the service life of the components such as sieve.
Description
Technical field
The utility model is related to metal powder screening plant more particularly to a kind of air-tightness applied to metal 3D printer
Powder sieving system.
Background technology
Metal 3D printing technique has the advantages that personalized designs, molding is quick, the manufacturing cycle is short, is very suitable for small quantities of
Amount, the personalized, manufacture with complex surface and internal structure metal parts.During 3D printing metal powder, high energy
The laser of metric density acts directly on metal powder, and laser fast scan movement, keeps metal powder rapid melting fast again
Quickly cooling is solidifying, so phenomena such as the normal accompanied splash of the 3D printing of metal, nodularization, this splashing particulate pollutant is mingled in metal powder,
The diameter of powder directly influences the precision and intensity of printing part, the splashing particle in the metal powder of recycling
Pollutant makes the quality for printing part decline, therefore screening system is the important preprocessing link for ensureing print quality.
Since metal powder has the characteristics that be easy contaminated, and traditional structure lacks the air seal of integrated model
Property, therefore it is be easy to cause the pollution of screening materials carrying, influence product quality;Lack the protection mechanism to metal powder in traditional structure,
This will make metal powder generate electrostatic during being sized or is the harm aoxidized etc., lower product matter significantly
Amount.
Invention content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency provide a kind of applied to metal 3D
The air-tightness powder sieving system of printer.The utility model can increase substantially stability when metal powder screening, significantly
The speed for promoting sieve powder, effectively prevent powder contaminated, realizes the multiple protective to metal powder, while extending vibration electricity
Machine, the service life of the components such as sieve, to reach the saving energy, the purpose increased economic efficiency.
The utility model is achieved through the following technical solutions:
A kind of air-tightness powder sieving system applied to metal 3D printer, including the charging that sets gradually from top to bottom
Mechanism, oscillating sieving machine structure, powder collecting mechanism and control module;Feeding mechanism is used to metal powder being conveyed to vibrating screen
Powder mechanism;Oscillating sieving machine structure is used to carry out vibration screening to metal powder;Powder collecting mechanism is used for the gold to vibration screening
Belong to powder and is collected storage;
Connection between the feeding mechanism, oscillating sieving machine structure and powder collecting mechanism connects for hermetic seal, makes gold
Charging, vibrating screen powder and the collection storage process for belonging to powder carry out under the sealed pathway with atmospheric isolation;
The oscillating sieving machine structure includes:Section is in infundibulate seal casinghousing 4, and the outside of infundibulate seal casinghousing 4 is installed
Promising its provides the vibrating motor 22 of vibration source, and there is an end cover 10 in 4 upper end of infundibulate seal casinghousing;Feeding mechanism sealing rank
It is connected on the end cover 10;The outer rim of the infundibulate seal casinghousing 4 is supported on powder collecting mechanism indirectly by spring 5
On;
The feeding mechanism follows oscillating sieving machine structure synchronous vibration, metal powder to complete sieve under vibration and sealed pathway
Choosing and storage.
It further include an oscillation intensity sensor 20 on the infundibulate seal casinghousing 4;
Shake sieve 7 and sieve 19 are provided in the entrance of the infundibulate seal casinghousing 4 from top to bottom;The sieve 19 passes through
Supporting block 6 is distributed around it to be placed on the inner edge of infundibulate seal casinghousing 4;
It is additionally provided in infundibulate seal casinghousing 4:For detect oxygen concentration under hermetic seal environment and vacuum degree and
The oxygen concentration detector 21 of pressure index, the ionic air knife 24 for blowing out ion wind to the metal powder from feeding mechanism.
The feeding mechanism includes:
Loading hopper 15 for storing metal powder;
Funnel sealing cover 14 for sealing loading hopper 15;
Inlet valve 13 for leaking powder;
Charging motor 11 for controlling 13 aperture of inlet valve;Charging motor 11 passes through synchronous belt 12 and 13 phase of inlet valve
Even, the control of powder supply amount is realized by controlling the aperture of inlet valve 13;
The sealing loading hopper 15 is connected with funnel sealing cover 14 by thread seal;
The meal outlet of the sealing loading hopper 15 connects the interface 18 on end cover 10 by pipeline 16;The sealing
Air inlet 23 and gas outlet 17 are further opened on end cap 10;
The air inlet 23 connects protective gas feedway by conduit, and gas outlet 17 connects vacuum means by conduit
It sets;
The protective gas feedway and vacuum extractor are controlled by control module.
The connection of the infundibulate seal casinghousing 4 and its end cover 10 is flexibly connected by hold assembly 9.
The powder collecting mechanism includes one also serving as the babinet 2 of support, the rewinding bottle 1 being placed in babinet 2;The infundibulate
The outlet of seal casinghousing 4 is tightly connected rewinding bottle 1 by hose 3;Rewinding bottle 1 is used to back through the metal powder of the screening of sieve 19
End.
The charging motor 11, vibrating motor 22 are connect with control module respectively, for control metal powder supply amount with
And the vibration frequency of infundibulate seal casinghousing 4.
The operation method of the utility model air-tightness powder sieving system, includes the following steps:
Step 1:Metal powder to be screened is put into loading hopper 15, funnel sealing cover 14 is covered tightly;
Step 2:Control module controls vacuum extractor and extracts air in air-tightness powder sieving system out from gas outlet 17,
When detecting that vacuum degree reaches preset value in air-tightness powder sieving system by oxygen concentration detector 21, stop pumping;
Step 3:Control module controls protective gas feedway and is sent into the protective gas (inertia such as argon gas from air inlet 23
Gas), when oxygen concentration detector 21 detects that pressure reaches preset value, control module controls protective gas feedway and stops fortune
Row;
Step 4:Control module, which starts charging motor 11, makes its work, to carry out initial feeding;
Step 5:Control module Vibration on Start-up motor 22 makes its work;
Step 6:The vibration signal of oscillating sieving machine structure is converted into electric signal and passes to control by oscillation intensity sensor 20
Molding block;
Step 7:The data that control module is fed back according to oscillation intensity sensor 20 are adjusted by controlling charging motor 11
The aperture of inlet valve 13 and the vibration frequency of vibrating motor 22;
Step 8:For metal powder during sieving 7 and sieve 19 through cross to shake, ionic air knife blows out 2s ions every 10s
Wind after the static elimination for realizing metal powder, is completed to sieve and fall in rewinding bottle 1 by hose 3;
Step 9:Control module by vacuum extractor, by the pressure in air-tightness powder sieving system gradually adjust to
Atmospheric pressure;
Step 10:It takes rewinding bottle 1 away, completes the screening of metal powder.
The utility model compared with the existing technology, has the following advantages and effect:
Connection between feeding mechanism described in the utility model, oscillating sieving machine structure and powder collecting mechanism is hermetic seal
Connection makes charging, vibrating screen powder and the collection storage process of metal powder be carried out under the sealed pathway with atmospheric isolation;It
The splashing particulate pollutant in metal powder and hardened agglomerates can be effectively filtered out, ensure the quality of printing part.
Entire screening process is carried out under sealed pathway, and the function isolated from the outside world by powder environment is sieved, energy are realized
It enough prevents metal powder from being polluted by the impurity in air, influences the quality of product.
Control module can realize feedback regulation according to the feedback information of system when sieve powder, greatly increase when sieving powder
System stability improves sieve powder efficiency, lowers energy loss;In addition to this, the utility model is also by passing through ionic air knife
The elimination to the electrostatic of metal powder after screening is realized, product quality is further increased.
It is additionally provided with oxygen concentration detector in infundibulate seal casinghousing, working environment can be measured in real time when system works
Oxygen content and vacuum degree greatly ensure that stability of the metal powder in screening process;
It is furnished with air inlet and gas outlet on end cover, the gas in system can be taken away, formed before system work
Vacuum environment, then the multiple protective to metal powder is realized by the protective gas of air inlet importing argon gas etc..
The utility model considerably increases stability when metal powder screening, greatly improves the speed of sieve powder, effectively
It prevents powder contaminated, while extending the service life of the components such as sieve.
Description of the drawings
Fig. 1 is the air-tightness powder sieving system cross-sectional view that the utility model is applied to metal 3D printer.
Fig. 2 is sealing end-cover structure schematic diagram.
Fig. 3 is the utility model complete machine stereoscopic schematic diagram.
Specific implementation mode
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figs. 1-3.The utility model discloses a kind of air-tightness powder sieving systems applied to metal 3D printer
It unites, including feeding mechanism, oscillating sieving machine structure, powder collecting mechanism and the control module 8 set gradually from top to bottom;Charging
Mechanism is used to metal powder being conveyed to oscillating sieving machine structure;Oscillating sieving machine structure is used to carry out vibration screening to metal powder;
Powder collecting mechanism to the metal powder of vibration screening for being collected storage;
Connection between the feeding mechanism, oscillating sieving machine structure and powder collecting mechanism connects for hermetic seal, makes gold
Charging, vibrating screen powder and the collection storage process for belonging to powder carry out under the sealed pathway with atmospheric isolation;
The oscillating sieving machine structure includes:Section is in infundibulate seal casinghousing 4, and the outside of infundibulate seal casinghousing 4 is installed
Promising its provides the vibrating motor 22 of vibration source, and there is an end cover 10 in 4 upper end of infundibulate seal casinghousing;Feeding mechanism sealing rank
It is connected on the end cover 10;The outer rim of the infundibulate seal casinghousing 4 is supported on powder collecting mechanism indirectly by spring 5
On;
The feeding mechanism follows oscillating sieving machine structure synchronous vibration, metal powder to complete sieve under vibration and sealed pathway
Choosing and storage.
It further include an oscillation intensity sensor 20 on the infundibulate seal casinghousing 4;
Shake sieve 7 and sieve 19 are provided in the entrance of the infundibulate seal casinghousing 4 from top to bottom;The sieve 19 passes through
Supporting block 6 is distributed around it to be placed on the inner edge of infundibulate seal casinghousing 4;
It is additionally provided in infundibulate seal casinghousing 4:For detect oxygen concentration under hermetic seal environment and vacuum degree and
The oxygen concentration detector 21 of pressure index, the ionic air knife 24 for blowing out ion wind to the metal powder from feeding mechanism.
The feeding mechanism includes:
Loading hopper 15 for storing metal powder;
Funnel sealing cover 14 for sealing loading hopper 15;
Inlet valve 13 for leaking powder;
Charging motor 11 for controlling 13 aperture of inlet valve;Charging motor 11 passes through synchronous belt 12 and 13 phase of inlet valve
Even, the control of powder supply amount is realized by controlling the aperture of inlet valve 13;
The sealing loading hopper 15 is connected with funnel sealing cover 14 by thread seal;
The meal outlet of the sealing loading hopper 15 connects the interface 18 on end cover 10 by pipeline 16;The sealing
Air inlet 23 and gas outlet 17 are further opened on end cap 10;
The air inlet 23 connects protective gas feedway by conduit, and gas outlet 17 connects vacuum means by conduit
It sets;
The protective gas feedway and vacuum extractor are controlled by control module.
The connection of the infundibulate seal casinghousing 4 and its end cover 10 is flexibly connected by hold assembly 9.
The powder collecting mechanism includes one also serving as the babinet 2 of support, the rewinding bottle 1 being placed in babinet 2;The infundibulate
The outlet of seal casinghousing 4 is tightly connected rewinding bottle 1 by hose 3;Rewinding bottle 1 is used to back through the metal powder of the screening of sieve 19
End.
The charging motor 11, vibrating motor 22 are connect with control module respectively, for control metal powder supply amount with
And the vibration frequency of infundibulate seal casinghousing 4.
The utility model can adjust charging motor in real time according to the oscillation intensity feedback information of sieve powder system operating room
Working condition, so as to adjust the charging rate of inlet valve.The vibrating motor exciting force for avoiding to occur when work in this way is insufficient
The problem of, while also achieving a large amount of metal powders and disposably sieving, the repetition of same operation is avoided, sieve powder is cost saved
Time improves stability when sieve powder, and improves the quality of product.
The connection of the end cover and infundibulate seal casinghousing uses fixture and is clamped sealing, and this structure has
Advantage easy to disassemble reduces the complexity of operation convenient for being purged to the salvage stores in the sieve that shakes;Shell and babinet it
Between connected by spring, can not only reduce the Oscillation Amplitude of integrated model, while also mitigating the noise sent out when equipment operation,
The stability of equipment can be greatly improved.
Ionic air knife can blow out ion wind in real time, eliminate the electrostatic between metal powder, eliminate metal at work
Suction-operated between powder so that greatly reduced the time required to sieve powder, while reducing energy loss, improve energy utilization
Rate saves cost.
The important technology of oxygen concentration detector, oxygen concentration that can in real time in reading system, vacuum degree and pressure etc. refers to
Mark, this not only plays a protective role to equipment, also realizes and is effectively protected to the powder of screening, in addition ionic air knife is auxiliary
It helps, realizes multiple protective.
The utility model overall structure junction has to be sealed using silica gel pad, is realized the leakproofness to gas, is led
The pollution of metal powder can greatly be slowed down by entering protective gas, improve product quality.
Control module is connected with charging motor with vibrating motor by conducting wire, can be according to the feedback information of system when sieve powder
It realizes the feedback regulation to system, greatly increases system stability when sieve powder, improve sieve powder efficiency, lower energy damage
Consumption.
The operation method of the utility model air-tightness powder sieving system, can be achieved by the steps of:
Step 1:Metal powder to be screened is put into loading hopper 15, funnel sealing cover 14 is covered tightly;
Step 2:Control module controls vacuum extractor and extracts air in air-tightness powder sieving system out from gas outlet 17,
When detecting that vacuum degree reaches preset value in air-tightness powder sieving system by oxygen concentration detector 21, stop pumping;
Step 3:Control module controls protective gas feedway and is sent into the protective gas (inertia such as argon gas from air inlet 23
Gas), when oxygen concentration detector 21 detects that pressure reaches preset value, control module controls protective gas feedway and stops fortune
Row;
Step 4:Control module, which starts charging motor 11, makes its work, to carry out initial feeding;
Step 5:Control module Vibration on Start-up motor 22 makes its work;
Step 6:The vibration signal of oscillating sieving machine structure is converted into electric signal and passes to control by oscillation intensity sensor 20
Molding block;
Step 7:The data that control module is fed back according to oscillation intensity sensor 20 are adjusted by controlling charging motor 11
The aperture of inlet valve 13 and the vibration frequency of vibrating motor 22;
Step 8:For metal powder during sieving 7 and sieve 19 through cross to shake, ionic air knife blows out 2s ions every 10s
Wind after the static elimination for realizing metal powder, is completed to sieve and fall in rewinding bottle 1 by hose 3;
Step 9:Control module by vacuum extractor, by the pressure in air-tightness powder sieving system gradually adjust to
Atmospheric pressure;
Step 10:It takes rewinding bottle 1 away, completes the screening of metal powder.
As described above, the utility model can be realized preferably.
The embodiment of the utility model is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Changes, modifications, substitutions, combinations, simplifications made by under Spirit Essence and principle, should be equivalent substitute mode, are included in
Within the scope of protection of the utility model.
Claims (6)
1. a kind of air-tightness powder sieving system applied to metal 3D printer, it is characterised in that:Including from top to bottom successively
Feeding mechanism, oscillating sieving machine structure, powder collecting mechanism and the control module of setting;Feeding mechanism is used for metal powder is defeated
Give oscillating sieving machine structure;Oscillating sieving machine structure is used to carry out vibration screening to metal powder;Powder collecting mechanism is used for shaking
The metal powder of dynamic screening is collected storage;
Connection between the feeding mechanism, oscillating sieving machine structure and powder collecting mechanism connects for hermetic seal, makes metal powder
Charging, vibrating screen powder and the collection storage process at end carry out under the sealed pathway with atmospheric isolation;
The oscillating sieving machine structure includes:Section is in infundibulate seal casinghousing (4), and the outside of infundibulate seal casinghousing (4) is installed
Promising its provides the vibrating motor (22) of vibration source, and there is an end cover (10) in infundibulate seal casinghousing (4) upper end;Feeding mechanism
Sealing is engaged on the end cover (10);The outer rim of the infundibulate seal casinghousing (4) is supported on powder indirectly by spring (5)
On last collecting mechanism;
The feeding mechanism follows oscillating sieving machine structure synchronous vibration, metal powder completed under vibration and sealed pathway screening with
Storage.
2. being applied to the air-tightness powder sieving system of metal 3D printer according to claim 1, it is characterised in that:It is described
It further include an oscillation intensity sensor (20) on infundibulate seal casinghousing (4);
Shake sieve (7) and sieve (19) are provided in the entrance of the infundibulate seal casinghousing (4) from top to bottom;The sieve (19)
It is placed on the inner edge of infundibulate seal casinghousing (4) by being distributed supporting block (6) around it;
It is additionally provided in infundibulate seal casinghousing (4):For detecting oxygen concentration under hermetic seal environment and vacuum degree and pressure
The oxygen concentration detector (21) of strong index, the ionic air knife for blowing out ion wind to the metal powder from feeding mechanism
(24)。
3. being applied to the air-tightness powder sieving system of metal 3D printer according to claim 2, which is characterized in that described
Feeding mechanism includes:
Loading hopper (15) for storing metal powder;
Funnel sealing cover (14) for sealing loading hopper (15);
Inlet valve (13) for leaking powder;
Charging motor (11) for controlling inlet valve (13) aperture;Charging motor (11) passes through synchronous belt 12 and inlet valve (13)
It is connected, the aperture by controlling inlet valve (13) realizes the control of powder supply amount;
The sealing loading hopper (15) is connected with funnel sealing cover (14) by thread seal;
The meal outlet of the sealing loading hopper (15) connects the interface (18) on end cover (10) by pipeline 16;It is described close
It is further opened with air inlet (23) and gas outlet (17) on sealing end lid (10);
The air inlet (23) connects protective gas feedway by conduit, and gas outlet (17) connect vacuum means by conduit
It sets;
The protective gas feedway and vacuum extractor are controlled by control module.
4. being applied to the air-tightness powder sieving system of metal 3D printer according to claim 3, which is characterized in that described
The connection of infundibulate seal casinghousing (4) and its end cover (10) is flexibly connected by hold assembly 9.
5. being applied to the air-tightness powder sieving system of metal 3D printer according to claim 4, which is characterized in that described
Powder collecting mechanism includes one also serving as the babinet (2) of support, the rewinding bottle (1) being placed in babinet (2);The infundibulate capsul
The outlet of body (4) is tightly connected rewinding bottle (1) by hose (3);Rewinding bottle (1) is used to back through the metal of sieve (19) screening
Powder.
6. being applied to the air-tightness powder sieving system of metal 3D printer according to claim 5, which is characterized in that described
Charging motor (11), vibrating motor (22) are connect with control module respectively, for controlling metal powder supply amount and infundibulate
The vibration frequency of seal casinghousing (4).
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CN201820107532.9U CN207823966U (en) | 2018-01-22 | 2018-01-22 | A kind of air-tightness powder sieving system applied to metal 3D printer |
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CN201820107532.9U CN207823966U (en) | 2018-01-22 | 2018-01-22 | A kind of air-tightness powder sieving system applied to metal 3D printer |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108213431A (en) * | 2018-01-22 | 2018-06-29 | 华南理工大学 | A kind of air-tightness powder sieving System and method for applied to metal 3D printer |
CN112138989A (en) * | 2020-07-22 | 2020-12-29 | 西安交通大学 | Active metal powder transports oxygen screen separation screening system |
CN112495775A (en) * | 2020-11-24 | 2021-03-16 | 尹石磊 | Vibrating powder screening device |
-
2018
- 2018-01-22 CN CN201820107532.9U patent/CN207823966U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108213431A (en) * | 2018-01-22 | 2018-06-29 | 华南理工大学 | A kind of air-tightness powder sieving System and method for applied to metal 3D printer |
CN108213431B (en) * | 2018-01-22 | 2023-08-22 | 华南理工大学 | Air-tightness powder screening system and method applied to metal 3D printer |
CN112138989A (en) * | 2020-07-22 | 2020-12-29 | 西安交通大学 | Active metal powder transports oxygen screen separation screening system |
CN112495775A (en) * | 2020-11-24 | 2021-03-16 | 尹石磊 | Vibrating powder screening device |
CN112495775B (en) * | 2020-11-24 | 2022-02-15 | 云耀深维(江苏)科技有限公司 | Vibrating powder screening device |
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Assignee: SHAOGUAN HUAYAN MACHINERY Co.,Ltd. Assignor: SOUTH CHINA University OF TECHNOLOGY Contract record no.: X2023980053316 Denomination of utility model: An airtight powder screening system applied to metal 3D printers Granted publication date: 20180907 License type: Common License Record date: 20231221 |