CN219524317U - Printing powder discharging and packaging structure applied to inert gas protection - Google Patents
Printing powder discharging and packaging structure applied to inert gas protection Download PDFInfo
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- CN219524317U CN219524317U CN202320368308.6U CN202320368308U CN219524317U CN 219524317 U CN219524317 U CN 219524317U CN 202320368308 U CN202320368308 U CN 202320368308U CN 219524317 U CN219524317 U CN 219524317U
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- pipeline
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- inert gas
- weight sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a printing powder discharging and packaging structure applied to inert gas protection, and relates to the technical field of screening of active metal powder such as aluminum, titanium and the like for 3D printing. The screen mesh is reasonably matched, so that products with various different specifications can be screened out at one time.
Description
Technical Field
The utility model relates to the technical field of screening of active metal powder such as aluminum, titanium and the like for 3D printing, in particular to a printing powder discharging and packaging structure applied to inert gas protection.
Background
In metal 3D printing, small gaps among fine powder particles are small, and two adjacent powder paving layers are tightly connected, so that sintering densification and sintering strength are improved, meanwhile, fine particles are filled in the gaps of large particles, and the stacking density of powder, the strength and the surface quality of a printed part can be improved.
However, if the fine particles are too many, the powder spreading thickness is easy to be uneven, the spheroidization phenomenon is easy to occur in the sintering process, and researches show that in the laser net forming technology, when the powder particle size is too large, the divergence angle of the powder conveying flow at the nozzle is obviously increased, the rebound splashing is serious, and the powder utilization rate is reduced; in addition, the ultra-fine powder with the too small particle size is easy to agglomerate due to the too small diameter, so that the conveying performance is poor, the continuous 3D printing is affected, and a large number of experiments show that the coarse and fine powder particles are mixed in a proper proportion, so that a good 3D printing effect can be obtained.
Meanwhile, the smaller the active metal powder such as aluminum, titanium and the like is, the higher the probability of being oxidized is, the more explosive the lift is, and the danger is caused, so that the difficulty of separating large particles, separating small particles, controlling particle segments and reducing oxygen content is increased in the screening process of the traditional mechanical vibrating screen, the screening efficiency is low and the operation safety is not guaranteed under the working condition of large-scale continuous production.
Disclosure of Invention
The utility model mainly aims to provide a printing powder discharging and packaging structure applied to inert gas protection, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a be applied to printing powder ejection of compact and packaging structure among the inert gas protection, includes the toper storage tank, the bottom of toper storage tank is provided with the feed opening that internally mounted has high vacuum valve, the one end and the screening pipeline intercommunication that the feed opening was kept away from the toper storage tank, the inside bottom of screening pipeline is respectively with screen cloth one, screen cloth two and screen cloth three, the inside one end that the screening pipeline is arranged between screen cloth one, screen cloth two and the screen cloth three is provided with shakes the sieve motor, the inside other end that the screening pipeline is arranged between screen cloth one, screen cloth two and the screen cloth three is provided with explosion-proof fan, the outer wall one end of toper storage tank bottom is provided with the pipeline evacuation air cock, the screening pipeline is provided with the pipeline and dashes inert gas air cock in the top of pipeline evacuation air cock, the screening pipeline is provided with pipeline vacuum gauge in the top that the pipeline dashes inert gas air cock, the screening pipeline is located screen cloth one, screen cloth three's bottom position all communicates and is arranged the material pipe, the one end that arranges the screening pipeline is provided with aluminium foil vacuum bag, the below that the aluminium foil vacuum bag is arranged, the inside sensor is arranged at the position that is located screen cloth one is arranged at the three position, the inside is located the sensor is arranged at the position of three weight sensor.
Preferably, the top one end of toper storage tank is provided with storage tank evacuation air cock, toper storage tank top opposite side is provided with the feed inlet, the toper storage tank is located the top between feed inlet and the storage tank evacuation air cock and is provided with the storage tank and dashes inert gas air cock.
Preferably, one end of the side wall of the front side of the conical storage tank is provided with an observation window, and the other end of the side wall of the front side of the conical storage tank is provided with a level gauge.
Preferably, the outer wall that toper storage tank is located charge level indicator, observation window below all is provided with the journal stirrup, the outer wall that the screening pipeline is close to feed opening one end is provided with screening platform.
Preferably, the position of the screening pipeline at the bottom end inside the first screen is provided with a first sealing firmware, the position of the screening pipeline at the bottom end inside the second screen is provided with a second sealing firmware, the position of the screening pipeline at the bottom end inside the third screen is provided with a third sealing firmware, the first sealing firmware is matched with the position of the first weight sensor, the second sealing firmware is matched with the position of the second weight sensor, and the third sealing firmware is matched with the position of the third weight sensor.
Preferably, a computer control system is arranged between the material discharging pipes and is respectively in signal connection with the first weight sensor, the second weight sensor, the third weight sensor, the first sealing firmware, the second sealing firmware and the third sealing firmware.
Compared with the prior art, the utility model has the following beneficial effects:
1. powder for 3D printing is discharged from a production system and canned, quantitatively screened and discharged according to the particle size and the proportion and vacuum packaged in an inert gas protection environment.
2. The quality control and the field operation safety of the high-activity powder for 3D printing are ensured.
3. The process is in the whole closed system, dust flying is not involved, powder is ensured not to leak, and the product yield is ensured.
4. The utilization efficiency of production equipment in a continuous production state is improved, the yield and quality of 3D printing products are further improved, and the economic benefit is improved.
5. High screening precision, large treatment capacity and simple structure. The screen mesh is reasonably matched, so that products with various different specifications can be screened out at one time.
Drawings
FIG. 1 is a schematic view of a structure of a discharging and packing structure of printing powder applied to inert gas protection according to the present utility model.
In the figure: 1. a conical storage tank; 2. a feeding port; 3. vacuum air tap of storage tank; 4. charging inert gas nozzle of the storage tank; 5. a tank vacuum pressure gauge; 6. a level gauge; 7. an observation window; 8. a support lug; 9. a screening platform; 10. a feed opening; 11. a pipeline vacuumizing air tap; 12. flushing inert gas nozzle in the pipeline; 13. a pipeline vacuum pressure gauge; 14. an explosion-proof fan; 15. a computer control system; 16. a first screen; 17. a second screen; 18. a third screen; 19. a first weight sensor; 20. a second weight sensor; 21. a second weight sensor; 22. sealing the first firmware; 23. sealing the second fixing piece; 24. sealing firmware III; 25. aluminum foil vacuum bag; 26. vacuum packaging machine; 27. a vibrating screen motor; 28. screening the pipeline; 29. and a discharge pipe.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in FIG. 1, a printing powder discharging and packaging structure applied to inert gas protection comprises a conical storage tank 1, wherein a discharging opening 10 with a high vacuum valve is arranged at the bottom of the conical storage tank 1, one end of the discharging opening 10, far away from the conical storage tank 1, is communicated with a screening pipeline 28, the bottom end of the screening pipeline 28 is respectively communicated with a first screen 16, a second screen 17 and a third screen 18, a vibrating screen motor 27 is arranged at one end of the screening pipeline 28, the other end of the screening pipeline 28, which is arranged at the other end of the interior, between the first screen 16, the second screen 17 and the third screen 18, is provided with an explosion-proof fan 14, one end of the outer wall of the bottom end of the conical storage tank 1 is provided with a pipeline vacuum suction nozzle 11, the screening pipeline 28, the upper side of the pipeline vacuum suction nozzle 11 is provided with a pipeline flushing inert gas nozzle 12, the screening pipeline 28 is provided with a pipeline vacuum pressure gauge 13, the screening pipeline 28 is positioned at the first 16, the bottom positions of the second screen 17 and the third screen 18 are respectively communicated with a discharge pipe 29, one end of the discharge pipe 29 is far away from the screening pipeline 28, the second screen 17 and the third screen 18 is provided with an aluminum foil sensor 29, the weight sensor is positioned at the second screen 29 is positioned at the position of the inner side of the third screen 18, and the first screen sensor is positioned at the position of the third screen sensor is provided with a weight sensor 20, and the weight sensor is positioned at the position of the third screen sensor is positioned at the inner position of the screen sensor 20, which is positioned at the position of the inner position of the screen sensor is positioned at the screen 18, which is located at the position of the screen sensor is located at the position of the screen vacuum sensor is located at the vacuum sensor, and is located inside, and is the vacuum sensor is provided.
In this embodiment, the top one end of toper storage tank 1 is provided with storage tank vacuum air cock 3, and toper storage tank 1 top opposite side is provided with feed inlet 2, and the top that toper storage tank 1 is located between feed inlet 2 and storage tank vacuum air cock 3 is provided with storage tank towards inert gas cock 4.
In this embodiment, one end of the front side wall of the conical storage tank 1 is provided with an observation window 7, and the other end of the front side wall of the conical storage tank 1 is provided with a level gauge 6.
In this embodiment, the outer wall that toper storage tank 1 is located charge level indicator 6, observation window 7 below all is provided with journal stirrup 8, and the outer wall that screening pipeline 28 is close to feed opening 10 one end is provided with screening platform 9.
In this embodiment, the first sealing member 22 is disposed at the position of the first screening pipe 28 at the inner bottom end of the first screen 16, the second sealing member 23 is disposed at the position of the second screening pipe 28 at the inner bottom end of the second screen 17, the third sealing member 24 is disposed at the position of the third screening pipe 28 at the inner bottom end of the third screen 18, the first sealing member 22 is matched with the first weight sensor 19, the second sealing member 23 is matched with the second weight sensor 20, and the third sealing member 24 is matched with the third weight sensor 21.
In this embodiment, a computer control system 15 is disposed between the discharge pipes 29, and the computer control system 15 is respectively connected with a first weight sensor 19, a second weight sensor 20, a third weight sensor 21, a first sealing firmware 22, a second sealing firmware 23 and a third sealing firmware 24 in a signal manner.
Working principle:
firstly, a feeding opening 2 of a conical storage tank 1 is in sealing connection with a discharging position of a 3D printing powder production device, a connecting valve is in a tightly closed state, a vacuum pumping operation is performed by using a storage tank vacuum pumping air tap 3 of the conical storage tank 1, an inert gas flushing operation is performed by using an inert gas flushing air tap 4 of the storage tank, the numerical value of a tank vacuum pressure gauge 5 is checked in the process, inert gas is flushed to atmospheric pressure after vacuum pumping to the bottom, and the storage tank vacuum pumping air tap 3 is closed;
then the blanking part and the feeding port 2 of the 3D printing powder production device are opened simultaneously, powder enters the conical storage tank 1 under the action of gravity, the level gauge 6 is observed, the observation window 7 is combined, after the powder is full of the powder, the valve is closed, the supporting lugs 8 are forked by a fork truck, the powder is placed on the screening platform 9, and the blanking port 10 is in airtight connection with the screening pipeline 28 through a high vacuum valve;
then the pipeline vacuumizing air tap 11 and the pipeline inert gas flushing air tap 12 are integrally operated in the screening pipeline 28, the numerical value of the pipeline vacuum pressure gauge 13 is observed in the process, the extremely low oxygen content value in the system is ensured, the explosion-proof fan 14 is started after the inert gas pressure value is normal pressure, the inert gas is driven to flow in a unidirectional circulating way in the system by utilizing wind power, and a certain source power is provided for powder screening, so that the screening efficiency is improved;
in order to optimize the 3D printing effect, calculating the weight value of each particle size range of powder required by a single batch, inputting the value into a computer control system 15, and arranging square screens corresponding to different meshes in the system in advance;
opening a feed opening 10 of a high vacuum valve under a conical storage tank 1, starting a vibrating screen motor 27, screening powder at a first screen 16, a second screen 17 and a third screen 18 under the action of gravity and inert gas purging, enabling the screened powder to fall on a first weight sensor 19, a second weight sensor 20 and a third weight sensor 21 of each screen, once the weight of the powder at the lower part of a certain screen reaches a set weight value, sending a command by a computer control system 15 to immediately close a first sealing firmware 22, a second sealing firmware 23 and a third sealing firmware 24 at the lower part of the screen until 3 screens finish screening weight, opening a weight sensor platform at the lower part of the three screens, and mixing the powder at the lower parts of the three screens;
the mixed powder is filled into a preset aluminum foil vacuum bag 25, and vacuum sealing and packaging are carried out by an in-system vacuum packaging machine 26.
The circuit, the electronic components and the control module are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Be applied to printing powder ejection of compact and packaging structure among inert gas protection, including toper storage tank (1), its characterized in that: the bottom of the conical storage tank (1) is provided with a discharging opening (10) with a high vacuum valve installed inside, one end of the discharging opening (10) away from the conical storage tank (1) is communicated with a screening pipeline (28), the inner bottom end of the screening pipeline (28) is respectively communicated with a first pipeline suction nozzle (16), a second pipeline suction nozzle (17) and a third pipeline suction nozzle (18), the screening pipeline (28) is positioned above the first pipeline suction nozzle (16), the second pipeline suction nozzle (17) and the third pipeline suction nozzle (18), a vibrating screen motor (27) is arranged at one end of the screening pipeline (28), the screening pipeline (28) is positioned at the other end of the screening pipeline (28) and is provided with an explosion-proof fan (14), one end of the outer wall of the bottom end of the conical storage tank (1) is provided with a pipeline vacuum suction nozzle (11), the screening pipeline (28) is positioned above the pipeline vacuum suction nozzle (11), a pipeline vacuum gauge (13) is arranged above the pipeline vacuum suction nozzle (12), the screening pipeline (28) is positioned at the second pipeline suction nozzle (16) and the third pipeline (18) is communicated with a discharging pipeline (29) at the bottom of the first pipeline (16), one end of arranging material pipe (29) and keeping away from screening pipeline (28) is provided with aluminium foil vacuum bag (25), the below of aluminium foil vacuum bag (25) is provided with vacuum packaging machine (26), is located arrange material pipe (29) inside of screen cloth one (16) position and be provided with weight sensor one (19), be located arrange material pipe (29) inside of screen cloth two (17) position and be provided with weight sensor two (20), be located arrange material pipe (29) inside of screen cloth three (18) position is provided with weight sensor three (21).
2. A printing powder discharge and packaging structure for use in inert gas protection according to claim 1, wherein: the top one end of toper storage tank (1) is provided with storage tank evacuation air cock (3), toper storage tank (1) top opposite side is provided with feed inlet (2), the top that toper storage tank (1) are located between feed inlet (2) and storage tank evacuation air cock (3) is provided with storage tank towards inert gas air cock (4).
3. A printing powder discharge and packaging structure for use in inert gas protection according to claim 1, wherein: the novel material level measuring device is characterized in that an observation window (7) is arranged at one end of the side wall of the front side of the conical material storage tank (1), and a material level meter (6) is arranged at the other end of the side wall of the front side of the conical material storage tank (1).
4. A printing powder discharge and packaging structure for use in inert gas protection according to claim 1, wherein: the outer wall that toper storage tank (1) is located charge level indicator (6), observation window (7) below all is provided with journal stirrup (8), the outer wall that screening pipeline (28) are close to feed opening (10) one end is provided with screening platform (9).
5. A printing powder discharge and packaging structure for use in inert gas protection according to claim 1, wherein: the screening pipeline (28) is provided with sealing firmware one (22) in the position that is located screen cloth one (16) inside bottom, screening pipeline (28) are provided with sealing firmware two (23) in the position that is located screen cloth two (17) inside bottom, screening pipeline (28) are provided with sealing firmware three (24) in the position that is located screen cloth three (18) inside bottom, sealing firmware one (22) and weight sensor one (19) position phase-match, sealing firmware two (23) and weight sensor two (20) position phase-match, sealing firmware three (24) and weight sensor three (21) position phase-match.
6. A printing powder discharge and packaging structure for use in inert gas protection according to claim 1, wherein: a computer control system (15) is arranged between the discharge pipes (29), and the computer control system (15) is respectively in signal connection with a first weight sensor (19), a second weight sensor (20), a third weight sensor (21), a first sealing firmware (22), a second sealing firmware (23) and a third sealing firmware (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320368308.6U CN219524317U (en) | 2023-03-02 | 2023-03-02 | Printing powder discharging and packaging structure applied to inert gas protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320368308.6U CN219524317U (en) | 2023-03-02 | 2023-03-02 | Printing powder discharging and packaging structure applied to inert gas protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219524317U true CN219524317U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320368308.6U Active CN219524317U (en) | 2023-03-02 | 2023-03-02 | Printing powder discharging and packaging structure applied to inert gas protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219524317U (en) |
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2023
- 2023-03-02 CN CN202320368308.6U patent/CN219524317U/en active Active
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