CN115958207A - Powder paving device of metal powder printer and working method of powder paving device - Google Patents
Powder paving device of metal powder printer and working method of powder paving device Download PDFInfo
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- CN115958207A CN115958207A CN202211735712.9A CN202211735712A CN115958207A CN 115958207 A CN115958207 A CN 115958207A CN 202211735712 A CN202211735712 A CN 202211735712A CN 115958207 A CN115958207 A CN 115958207A
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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
Abstract
The invention discloses a powder spreading device of a metal powder printer and a working method of the powder spreading device. This powder device is spread to metal powder printer, the inboard of powdering mechanism is packed into from the position of sprue through the powder that will be used for printing, supply the pressure through the inside pump machine transport of powdering mechanism afterwards, the below of powder fill displacement to powder outlet this moment, can spray the inboard at the powder fill through powder outlet with the inside powder of powdering mechanism, after throwing into powder fill inside, then accessible rotating machine drives the threaded rod and rotates and make the scraper blade at the inside round trip movement of powder fill, the powder that will drop into powder fill inside is strickleed off, thereby the homogeneity of later stage is turned over the board and open back discharge powder in the automation has been guaranteed.
Description
Technical Field
The invention relates to the technical field of metal powder printing and powder spreading, in particular to a powder spreading device of a metal powder printer and a working method of the powder spreading device.
Background
The metal printer consists of a powder cylinder and a forming cylinder, a piston (powder feeding piston) of the powder cylinder ascends during working, a layer of powder is uniformly paved on the piston (working piston) of the forming cylinder by a powder paving roller, and a computer controls a two-dimensional scanning track of a laser beam according to a slice model of a prototype and selectively sinters solid powder materials to form one layer of a part. After the powder is finished by one layer, the working piston descends by one layer thickness, and the powder paving system paves new powder. The laser beam is controlled to scan again to sinter the new layer. And repeating the steps repeatedly in such a way, and overlapping layer by layer until the three-dimensional part is molded.
In the prior art, for example, chinese patent numbers are: CN114393216B "a metal powder 3D printer uses sealed type powder laying device", it includes: spread powder cylinder and sealed working chamber, spread the powder cylinder setting in sealed working chamber, including distribution subassembly, protection component and drum assembly, the distribution subassembly includes first casing and scrapes the flitch, the top fixedly connected with distribution casing of first casing, the distribution casing includes fan and aspiration pump, top one side fixedly connected with second casing of first casing, one side outer wall fixedly connected with third casing of first casing, the aspiration pump has the discharging pipe with third casing intercommunication, just be provided with the second solenoid valve on the discharging pipe. Metal powder through scraping the flitch and to cylinder surface adhesion clears up, makes cylinder surface cleaning, preheats metal powder through the cylinder at the shop powder in-process simultaneously, reduces preheating time and makes it evenly preheat, improves the efficiency of metal powder scanning sintering.
However, in the prior art, the powder paving device of the existing metal powder printer cannot provide an effective and uniform powder paving effect in the powder paving process, so that the powder is input into the powder paving hopper and then partially empty powder is generated, the powder in the inner region of the powder paving hopper is deficient, the printing effect is affected, and the problem of incomplete printing is caused.
We have therefore proposed a powder spreading device for a metal powder printer and a method of operating the same in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a powder spreading device of a metal powder printer and a working method thereof, and aims to solve the problems that in the powder spreading process of the powder spreading device of the metal powder printer provided by the background art, the powder is partially empty after being input into a powder spreading hopper due to the fact that the powder cannot be effectively and uniformly spread, so that the printing effect is influenced due to the fact that powder is lacking in the inner area of the powder spreading hopper, and the printing is incomplete.
In order to achieve the purpose, the invention provides the following technical scheme: a powder spreading device of a metal powder printer comprises a printer body, wherein a powder feeding mechanism is installed at the top of the printer body, a circulating mechanism is arranged at one end of the printer body, a baffle is installed at the top of the printer body, a powder spreading hopper is installed on the inner side of the baffle in a sliding mode, a scraping plate is movably installed on the inner side of the powder spreading hopper, a threaded rod penetrates through the side surface of the scraping plate in a threaded mode, a rotating machine is arranged at one end of the powder spreading hopper, and one end of the rotating machine is connected with the threaded rod;
the collecting pipe is fixedly installed on the side face of the circulating mechanism, one end of the collecting pipe is connected with the conveying pipe, the conveying pipe is connected with the filter box, the bottom of the filter box is provided with the filter plate, the side face of the baffle is provided with the recovery cover, and one end of the recovery cover is communicated with the two ends of the circulating mechanism.
Preferably, the front surface of the printer body is provided with an equipment cabin door, and the top of the printer body is provided with a powder bed.
Preferably, the top of the powder bed is provided with a printing table, the front of the printer body is provided with a control panel, and the control panel is arranged on the side of the equipment cabin door.
Preferably, the top of the powder feeding mechanism is provided with a filling port, a plurality of powder outlets are uniformly distributed at the bottom of the powder feeding mechanism, the bottom of the powder feeding mechanism is connected with a mounting seat, and the bottom of the mounting seat is connected to the top of the baffle.
Preferably, the bottom of the powder spreading hopper is movably provided with an automatic turning plate, the bottom of the powder spreading hopper is provided with a powder spreading scraper, and the powder spreading scraper is arranged on the side of the automatic turning plate.
Preferably, the bottom of spreading powder hopper is installed and is spread the powder roller, the both ends of spreading the powder roller are provided with the bracing frame, the top of bracing frame all is connected with the bottom of spreading the powder hopper, spread the powder roller setting and spread the side of powder scraper.
Preferably, the one end of spreading the powder fill is provided with the carriage, the side of carriage is connected with the slide rail, the slide rail is installed in one side of single baffle, the other end of spreading the powder fill is provided with the lead screw, the one end of lead screw is provided with the motor.
Preferably, a dust conveying pump is installed at the bottom of the filtering plate, a circulating pipe is connected to the side face of the dust conveying pump, one end of the circulating pipe is communicated with one end of the powdering mechanism, and a side cover plate is movably installed on the side face of the filtering box.
A working method of a powder spreading device of a metal powder printer comprises the following steps:
s1, firstly, powder for printing is loaded into the inner side of the powder feeding mechanism from the position of the injection port, then the powder is conveyed and supplied by a pump inside the powder feeding mechanism, the powder spreading hopper is displaced to the lower side of the powder outlet at the moment, and then the powder inside the powder feeding mechanism can be sprayed on the inner side of the powder spreading hopper through the powder outlet.
S2, after the powder is thrown into the powder spreading hopper, the screw rod is driven by the rotating machine to rotate, so that the scraper moves back and forth in the powder spreading hopper, the powder thrown into the powder spreading hopper is scraped, and the uniformity of the powder discharged after the plate is automatically turned over and opened in the later period is guaranteed.
S3, when will spread the inside powder of powder fill and spill, the accessible motor drives the lead screw and rotates for spread the powder fill and translate in the top of print table, strickle the powder through spreading the powder scraper in the translation, and the cooperation is spread the powder roller and is rolled and make the powder that condenses into the piece smash, is favorable to flat ground to lay the powder at the print table top, prints work.
S4, when printing, redundant powder can be pushed to the inner side of the circulating mechanism, and meanwhile, the powder extruded from the two sides can be sucked into the circulating mechanism through strong suction force generated by the recovery cover matched with the upper dust conveying pump.
S5, after the redundant powder is sucked into the filter box, the powder can be conveyed to the conveying pipe through the collecting pipe, then the powder is conveyed to the inner side of the filter box, and the recycled powder is filtered by using a filter plate on the inner side of the filter box, so that impurity impurities are effectively filtered.
S6, conveying the powder to a circulating pipe through a dust conveying pump, and conveying the powder to the interior of the powder feeding mechanism by using the circulating pipe for recycling.
S7, the side cover plate can facilitate the opening of the filter box to carry out regular replacement and cleaning on the internal filter plate, and the effect of recycling is effectively guaranteed.
Compared with the prior art, the invention has the beneficial effects that:
1. through the setting of the powder feeding mechanism, powder for printing is loaded into the inner side of the powder feeding mechanism from the position of the injection port, then the powder is conveyed and supplied by a pump inside the powder feeding mechanism, at the moment, the powder spreading hopper is displaced to the position below the powder outlet, the powder inside the powder feeding mechanism can be sprayed on the inner side of the powder spreading hopper through the powder outlet, after the powder is put into the powder spreading hopper, a screw rod can be driven by a rotating machine to rotate, so that a scraper blade moves back and forth inside the powder spreading hopper, the powder put into the powder spreading hopper is flattened, the uniformity of the powder discharged after an automatic turnover plate is opened in the later period is ensured, when the powder inside the powder spreading hopper is sprayed, a lead screw rod can be driven by a motor to rotate, so that the powder spreading hopper translates above a printing table, the powder is flattened by a powder spreading scraper while translating, the powder is rolled by a powder spreading roller to enable the powder to be condensed into blocks, the powder is crushed, the powder is favorably laid on the top of the printing table, the printing work is effectively ensured, the problem that the effect of the powder lacking in the powder spreading hopper due to the condition that the powder input of the powder missing printing effect is caused by the condition that the powder spreading hopper cannot be effectively provided, and the inner part of the powder spreading hopper is input to the powder;
2. through the setting of circulation mechanism, promote unnecessary powder to circulation mechanism's inboard, the powder of extruding of both sides simultaneously then can be through retrieving the powerful suction that the cover cooperation went up the dust delivery pump and produce, inhale circulation mechanism's inside, after inhaling unnecessary powder inside, then accessible collecting pipe carries to the conveyer pipe, afterwards through conveying to the rose box inboard, utilize the inboard filter of rose box to filter the powder of retrieving, filter doped impurity effectively, carry to the circulating pipe through dust delivery pump afterwards, and utilize the circulating pipe to carry again to the inside of last powder mechanism and retrieve and can provide cyclic utilization's effect, the side shroud can have made things convenient for and has opened the rose box and carry out periodic change clearance to the filter of inside, the effect of cyclic recovery has been guaranteed effectively, thereby the effect of cyclic recovery has been provided effectively, be favorable to saving the powder, avoided unnecessary powder to cause extravagant problem.
Drawings
FIG. 1 is a schematic perspective view of a powder spreading device of a metal powder printer according to the present invention;
FIG. 2 is a schematic view of another angle structure of a powder spreading device of a metal powder printer according to the present invention;
FIG. 3 is a schematic structural view of a part of a powder spreading mechanism of the powder spreading device of the metal powder printer according to the present invention;
FIG. 4 is a perspective view of a recycling assembly of the powder spreading device of the metal powder printer according to the present invention;
FIG. 5 is a schematic structural view of a recycling filter assembly of a powder spreading device of a metal powder printer according to the present invention;
fig. 6 is a schematic structural diagram of a powder spreading assembly of the powder spreading device of the metal powder printer according to the invention.
In the figure:
1. a printer body; 2. a powdering mechanism; 3. a circulating mechanism; 11. an equipment hatch; 12. a baffle plate; 13. a powder bed; 14. a printing table; 15. a control panel; 21. a material injection port; 22. a powder outlet; 23. a powder spreading hopper; 231. a squeegee; 232. a threaded rod; 233. rotating the machine; 24. automatically turning over the plate; 25. spreading a powder scraper; 26. spreading a powder roller; 27. a carriage; 271. a slide rail; 28. a lead screw; 29. an electric motor; 31. a collection pipe; 32. a delivery pipe; 33. a filter box; 34. a filter plate; 35. a dust transfer pump; 36. a circulation pipe; 37. a recovery cover; 38. side cover plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: a powder spreading device of a metal powder printer comprises a printer body 1, a powder feeding mechanism 2 is installed at the top of the printer body 1, a circulating mechanism 3 is arranged at one end of the printer body 1, a baffle plate 12 is installed at the top of the printer body 1, a powder spreading hopper 23 is installed on the inner side of the baffle plate 12 in a sliding mode, a scraping plate 231 is movably installed on the inner side of the powder spreading hopper 23, a threaded rod 232 penetrates through a side thread of the scraping plate 231, a rotating machine 233 is arranged at one end of the powder spreading hopper 23, one end of the rotating machine 233 is connected with the threaded rod 232, powder for printing is loaded into the inner side of the powder feeding mechanism 2 from a position of a filling port 21, then pressure is supplied through a pump inside the powder feeding mechanism 2, the powder spreading hopper 23 is displaced to the lower side of a powder outlet 22 at the moment, the powder inside the powder feeding mechanism 2 can be sprayed on the inner side of the powder spreading hopper 23 through the powder outlet 22, after the powder is put into the powder spreading hopper 23, the screw rod 232 can be driven by the rotating machine 233 to rotate, so that the scraper 231 moves back and forth in the powder spreading hopper 23, the powder put into the powder spreading hopper 23 is scraped flat, the uniformity of the powder discharged after the automatic turning plate 24 is opened at the later stage is ensured, the screw rod 28 can be driven by the motor 29 to rotate while the powder in the powder spreading hopper 23 is spilled, the powder spreading hopper 23 is enabled to translate above the printing table 14, the powder is scraped flat by the powder spreading scraper 25 while translating, and the powder condensed into blocks is crushed by being matched with the rolling of the powder spreading roller 26, the powder is favorably paved on the top of the printing table 14 flatly for printing, and the printing effect is effectively ensured;
the collecting pipe 31 is fixedly installed on the side face of the circulating mechanism 3, one end of the collecting pipe 31 is connected with the conveying pipe 32, the conveying pipe 32 is connected with the filtering box 33, the bottom of the filtering box 33 is provided with the filtering plate 34, the side face of the baffle plate 12 is provided with the recovery cover 37, one end of the recovery cover 37 is communicated with two ends of the circulating mechanism 3, redundant powder is pushed to the inner side of the circulating mechanism 3, meanwhile, the powder extruded from two sides can be sucked into the circulating mechanism 3 through the strong suction force generated by the recovery cover 37 in cooperation with the upper powder conveying pump 35, after the redundant powder is sucked into the circulating mechanism, the powder can be conveyed to the conveying pipe 32 through the collecting pipe 31 and then conveyed to the inner side of the filtering box 33 through the filter plate 320, the recovered powder is filtered by the filtering plate 34 on the inner side of the filtering box 33, doped impurities are effectively filtered, then the powder is conveyed to the circulating pipe 36 through the dust conveying pump 35, the circulating pipe 36 is conveyed to the inner part of the upper powder mechanism 2 for recovery, the effect of recycling can be provided, the side cover plate 38 can be convenient for opening the filtering box 33 to regularly clean the filtering box 34 for replacing and cleaning the internal filter the effect of the recycling effectively, thereby effectively ensuring the recycling effect of the recycling, and being beneficial to save the recycling of the powder.
As shown in fig. 1 and 2, the front surface of the printer body 1 is provided with an equipment hatch 11, the top of the printer body 1 is provided with a powder bed 13, the operation and the inspection and maintenance work of the inside of the printer body 1 are facilitated through the equipment hatch 11, and the powder bed 13 can provide an effective printing platform and provide a printing space.
As shown in fig. 1 and 2, a printing table 14 is disposed on the top of the powder bed 13, a control panel 15 is disposed on the front surface of the printer body 1, the control panel 15 is disposed on the side of the equipment bay door 11, a printing space is provided conveniently through the printing table 14, and the control panel 15 controls printing.
As shown in fig. 4, the top of powdering mechanism 2 is provided with sprue 21, the bottom evenly distributed of powdering mechanism 2 has a plurality of powder outlets 22, the bottom of powdering mechanism 2 is connected with and is provided with the mount pad, the top at baffle 12 is connected to the bottom of mount pad, can make things convenient for through sprue 21 to pour into the powder into in order to print the usefulness into the inside of powdering mechanism 2, powder outlet 22 then can be with the powder blowout of printing, the effect of realizing adding the powder.
As shown in fig. 6, an automatic turning plate 24 is movably mounted at the bottom of the powder spreading hopper 23, a powder spreading scraper 25 is mounted at the bottom of the powder spreading hopper 23, the powder spreading scraper 25 is disposed at the side of the automatic turning plate 24, the automatic turning plate 24 facilitates effective automatic turning opening and closing, powder is released when the powder is spread, and the powder spreading scraper 25 simultaneously scrapes the powder on the surface of the printing table 14 when the powder is released.
As shown in fig. 6, a powder spreading roller 26 is installed at the bottom of the powder spreading hopper 23, two ends of the powder spreading roller 26 are provided with angle brackets, the tops of the angle brackets are connected with the bottom of the powder spreading hopper 23, the powder spreading roller 26 is arranged on the side of the powder spreading scraper 25, and the effect of further leveling can be achieved through the powder spreading roller 26.
As shown in fig. 3 and 6, a sliding frame 27 is disposed at one end of the powder spreading hopper 23, a sliding rail 271 is connected to a side surface of the sliding frame 27, the sliding rail 271 is mounted at one side of a single baffle 12, a lead screw 28 is disposed at the other end of the powder spreading hopper 23, a motor 29 is disposed at one end of the lead screw 28, the sliding frame 27 and the sliding rail 271 are matched to provide a guiding movement function for the powder spreading hopper 23, and the lead screw 28 and the motor 29 provide a driving force for the powder spreading hopper 23 to move.
As shown in fig. 2 and 4, a dust delivery pump 35 is installed at the bottom of the filter plate 34, a circulation pipe 36 is connected to the side of the dust delivery pump 35, one end of the circulation pipe 36 is communicated with one end of the powdering mechanism 2, a side cover plate 38 is movably installed at the side of the filter box 33, an absorption pumping function can be provided for the dust delivery pump 35 through the circulation pipe 36, the effect of recycling can be conveniently realized, and the side cover plate 38 can provide a protection function of side sealing.
A working method of a powder spreading device of a metal powder printer comprises the following steps:
s1, firstly, powder for printing is loaded into the inner side of the powder feeding mechanism 2 from the position of the injection port 21, then pressure is supplied through a pump inside the powder feeding mechanism 2, at the moment, the powder spreading hopper 23 is displaced to the lower side of the powder outlet 22, and then the powder inside the powder feeding mechanism 2 can be sprayed on the inner side of the powder spreading hopper 23 through the powder outlet 22.
S2, after the powder is put into the powder spreading hopper 23, the threaded rod 232 can be driven by the rotating machine 233 to rotate, so that the scraper 231 moves back and forth in the powder spreading hopper 23, the powder put into the powder spreading hopper 23 is scraped, and the uniformity of the powder discharged after the automatic turning plate 24 is opened in the later period is guaranteed.
S3, when the powder of spreading powder hopper 23 inside spills, accessible motor 29 drives lead screw 28 and rotates for spread powder hopper 23 at the top translation of print table 14, strickle the powder through spreading powder scraper 25 in the translation, and cooperate the powder roller 26 of spreading to roll and make the powder of agglomerating the blocking smash, be favorable to flat ground to lay the powder at print table 14 top, carry out print job.
S4, when printing, the redundant powder can be pushed to the inner side of the circulating mechanism 3, and meanwhile, the powder extruded from the two sides can be sucked into the circulating mechanism 3 through the recovery cover 37 and the strong suction force generated by the upper dust conveying pump 35.
S5, after the excessive powder is sucked into the interior, the excessive powder can be conveyed to the conveying pipe 32 through the collecting pipe 31 and then conveyed to the inner side of the filter box 33 through the collecting pipe 320, and the recovered powder is filtered by the filter plate 34 on the inner side of the filter box 33, so that impurity impurities are effectively filtered.
S6, then conveyed to the circulating pipe 36 by the dust conveying pump 35, and then conveyed to the inside of the powdering device 2 by the circulating pipe 36 to be recycled.
S7 and the side cover plate 38 can facilitate the opening of the filter box 33 to regularly replace and clean the internal filter plate 34, and effectively ensure the effect of recycling.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a powder device is spread to metal powder printer, includes the printer organism, its characterized in that: the powder feeding mechanism is installed at the top of the printer body, the circulating mechanism is arranged at one end of the printer body, the baffle is installed at the top of the printer body, the powder spreading hopper is installed on the inner side of the baffle in a sliding mode, the scraper is movably installed on the inner side of the powder spreading hopper, a threaded rod penetrates through the side face of the scraper, a rotating machine is arranged at one end of the powder spreading hopper, and one end of the rotating machine is connected with the threaded rod;
the collecting pipe is fixedly installed on the side face of the circulating mechanism, one end of the collecting pipe is connected with the conveying pipe, the conveying pipe is connected with the filter box, the bottom of the filter box is provided with the filter plate, the side face of the baffle is provided with the recovery cover, and one end of the recovery cover is communicated with the two ends of the circulating mechanism.
2. The powder spreading device of a metal powder printer according to claim 1, wherein: the front of the printer body is provided with an equipment cabin door, and the top of the printer body is provided with a powder bed.
3. The powder spreading device of a metal powder printer according to claim 2, wherein: the top of the powder bed is provided with a printing table, the front of the printer body is provided with a control panel, and the control panel is arranged on the side of the equipment cabin door.
4. The powder spreading device of a metal powder printer according to claim 1, wherein: the powder feeding mechanism is characterized in that a filling port is formed in the top of the powder feeding mechanism, a plurality of powder outlets are uniformly distributed in the bottom of the powder feeding mechanism, a mounting seat is connected to the bottom of the powder feeding mechanism, and the bottom of the mounting seat is connected to the top of the baffle.
5. The powder spreading device of a metal powder printer according to claim 1, wherein: the automatic powder spreading device is characterized in that an automatic turning plate is movably mounted at the bottom of the powder spreading hopper, a powder spreading scraper is mounted at the bottom of the powder spreading hopper, and the powder spreading scraper is arranged on the side of the automatic turning plate.
6. The powder spreading device of a metal powder printer according to claim 5, wherein: spread the powder roller of installing in the bottom of powder fill, the both ends of spreading the powder roller are provided with the bracing frame, the top of bracing frame all is connected with the bottom of spreading the powder fill, spread the powder roller setting and spread the side of powder scraper.
7. The powder spreading device of a metal powder printer according to claim 1, wherein: spread the one end of powder fill and be provided with the carriage, the side of carriage is connected with the slide rail, the slide rail is installed in one side of single baffle, spread the other end of powder fill and be provided with the lead screw, the one end of lead screw is provided with the motor.
8. The powder spreading device of a metal powder printer according to claim 7, wherein: the dust-removing device is characterized in that a dust conveying pump is installed at the bottom of the filtering plate, a circulating pipe is connected to the side face of the dust conveying pump, one end of the circulating pipe is communicated with one end of the powdering mechanism, and a side cover plate is movably installed on the side face of the filtering box.
9. A method of operating a powder spreading device of a metal powder printer, wherein a powder spreading device of a metal powder printer according to any one of claims 1 to 8 is used, comprising the steps of:
s1, firstly, filling powder for printing into the inner side of a powder feeding mechanism from a position of a filling port, then conveying the powder through a pump in the powder feeding mechanism for pressure supply, and at the moment, moving a powder spreading hopper to the lower side of a powder outlet, so that the powder in the powder feeding mechanism can be sprayed on the inner side of the powder spreading hopper through the powder outlet;
s2, after the powder is put into the powder spreading hopper, the screw rod is driven to rotate through the rotating machine, so that the scraping plate moves back and forth in the powder spreading hopper, the powder put into the powder spreading hopper is scraped, and the uniformity of the powder discharged after the automatic turnover plate is opened in the later period is guaranteed;
s3, when powder in the powder spreading hopper is spilled out, the screw rod can be driven to rotate through the motor, so that the powder spreading hopper can translate above the printing table, the powder is scraped flat through the powder spreading scraper while translating, and the powder which is condensed into blocks is crushed by being matched with rolling of the powder spreading roller, so that the powder can be paved on the top of the printing table in a flat manner, and printing work can be performed;
s4, when printing is carried out, redundant powder can be pushed to the inner side of the circulating mechanism, and meanwhile, the powder extruded from the two sides can be sucked into the circulating mechanism through strong suction force generated by the recovery cover in cooperation with the upper dust conveying pump;
s5, after the redundant powder is sucked into the filter box, the redundant powder can be conveyed to the conveying pipe through the collecting pipe, then the powder is conveyed to the inner side of the filter box, and the recycled powder is filtered by using a filter plate on the inner side of the filter box, so that doped impurities are effectively filtered;
s6, conveying the powder to a circulating pipe through a dust conveying pump, and conveying the powder to the interior of a powder feeding mechanism by using the circulating pipe for recycling so as to provide a recycling effect;
s7, the side cover plate can facilitate the opening of the filter box to carry out regular replacement and cleaning on the internal filter plate, and the effect of recycling is effectively guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735712.9A CN115958207A (en) | 2022-12-31 | 2022-12-31 | Powder paving device of metal powder printer and working method of powder paving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735712.9A CN115958207A (en) | 2022-12-31 | 2022-12-31 | Powder paving device of metal powder printer and working method of powder paving device |
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| Publication Number | Publication Date |
|---|---|
| CN115958207A true CN115958207A (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211735712.9A Pending CN115958207A (en) | 2022-12-31 | 2022-12-31 | Powder paving device of metal powder printer and working method of powder paving device |
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| Country | Link |
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| CN (1) | CN115958207A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117507350A (en) * | 2023-11-13 | 2024-02-06 | 广东扬格新材料科技有限公司 | 3D printing equipment is used in plastics tableware production |
| CN117507350B (en) * | 2023-11-13 | 2024-05-03 | 广东扬格新材料科技有限公司 | 3D printing equipment is used in plastics tableware production |
-
2022
- 2022-12-31 CN CN202211735712.9A patent/CN115958207A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117507350A (en) * | 2023-11-13 | 2024-02-06 | 广东扬格新材料科技有限公司 | 3D printing equipment is used in plastics tableware production |
| CN117507350B (en) * | 2023-11-13 | 2024-05-03 | 广东扬格新材料科技有限公司 | 3D printing equipment is used in plastics tableware production |
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