CN115179548A - Additive manufacturing dynamic powder laying system - Google Patents
Additive manufacturing dynamic powder laying system Download PDFInfo
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- CN115179548A CN115179548A CN202210723056.4A CN202210723056A CN115179548A CN 115179548 A CN115179548 A CN 115179548A CN 202210723056 A CN202210723056 A CN 202210723056A CN 115179548 A CN115179548 A CN 115179548A
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- powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/214—Doctor blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/218—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Coating Apparatus (AREA)
Abstract
The invention provides an additive manufacturing dynamic powder laying system which comprises a rack and a forming platform, wherein the rack is positioned right above the forming platform, a lead screw and a sliding rod are respectively installed on the rack, two ends of the lead screw are rotatably connected with a first fixed seat, the lead screw penetrates through a first flat plate and is rotatably connected with the first flat plate, one end of the lead screw penetrates through the first fixed seat and is connected with a first driving motor, two ends of the sliding rod are fixedly connected with a second fixed seat, the sliding rod penetrates through a second flat plate and is slidably connected with the second flat plate, and a scraper, a powder laying roller and a powder supply box are sequentially and fixedly installed on the bottom surface of the second flat plate from left to right. According to the invention, the powder falls into the lower opening of the powder supply box through the stirring device, the cleaning device and the blowing device, so that the waste of the powder is avoided; the scraper, the powder spreading roller and the powder supply box are sequentially arranged on the bottom surface of the second flat plate from left to right, so that the powder falling, powder spreading and scraping can be completed at one time, and the operation is convenient and fast.
Description
Technical Field
The invention relates to the technical field of additive manufacturing equipment, in particular to a dynamic powder laying system for additive manufacturing.
Background
There are many additive manufacturing methods, and the additive manufacturing methods are mainly classified into manufacturing methods based on a powder feeding method and a powder spreading method. The manufacturing method based on the powder laying mode comprises a selective laser melting forming (SLM) method, and the processing process comprises the following steps: the method comprises the steps of firstly designing a three-dimensional solid model of a part on a computer, then slicing and layering the three-dimensional model through segmentation software to obtain profile data of each section, guiding the data into additive manufacturing equipment, paving a layer of powder on the surface of a forming platform according to the thickness of a preset powder layer by a powder paving device, controlling high-energy beams by the equipment according to the profile data to selectively melt each layer of powder material, and gradually stacking the powder material into the three-dimensional part.
For example, in the application publication No. CN114311667A, a continuous powder supply and powder spreading system and an additive manufacturing method thereof are disclosed, in the system, a powder material is added into a powder storage tank, the powder material enters a vertical feeding structure under the action of gravity, the vertical feeding structure feeds the powder material into a transfer structure, and the transfer structure lays the powder material at the bottom of a forming chamber, so that continuous powder supply and powder spreading of powder can be realized, the problems of nozzle blockage and limited forming size of falling powder supply and rising powder supply of a powder storage tank of the powder storage tank can be effectively solved, and the application of the powder additive manufacturing method in a large-size structure is facilitated.
However, the following disadvantages exist: as can be seen from the above statement, the powder in the temporary storage bin of the system may affect the uniformity of powder paving because the powder is not agglomerated for a long time, but if the agglomerated powder is merely scattered by stirring or the like, the powder may adhere to the stirring device, and the powder is wasted.
Disclosure of Invention
The invention aims to provide an additive manufacturing dynamic powder laying system which can uniformly and flatly lay agglomerated powder and remove powder adhered to a stirring device to avoid waste of the powder, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a powder system is spread to vibration material disk developments, includes frame and shaping platform, the frame is located directly over the shaping platform, install lead screw and slide bar in the frame respectively, the both ends of lead screw are rotated and are connected with first fixing base, the lead screw runs through first flat board, and rotate with first flat board and connect, the one end of lead screw runs through first fixing base and first driving motor connect, the both ends fixedly connected with second fixing base of slide bar, the slide bar runs through the second flat board, and with second flat board sliding connection, the dull and stereotyped bottom surface of second has the scraper and spreads the powder roller and supply the powder case from a left side right side fixed mounting in proper order, supply the side of powder case to have seted up into the powder mouth supply the bottom of powder case to have seted up out the powder mouth, be connected with into the powder pipe on advancing the powder mouth, the other end that advances the powder pipe is connected with the play powder mouth that advances the powder fill, it is provided with the agitating unit who breaks up the powder of caking to supply the powder incasement, agitating unit includes first rotation axis and equidistant fixed connection in first rotation axis both sides first rotation blade, the first rotation axis and the first rotation axis of first rotation axis and the first rotation axis connect first drive gear, the first rotation axis and the first drive gear, the first drive motor side of second drive gear, the first drive gear is connected with the first drive gear, the center of second drive motor is connected with the center connection.
Preferably, a cleaning device for removing the powder adhered to the first rotary blade is connected to the second transmission gear.
Preferably, the cleaning device comprises a second rotating shaft, a second central shaft, second rotating blades and a first brush, the second rotating shaft is fixedly connected with the second central shaft on the second transmission gear, the second rotating blades are fixedly connected to two sides of the second rotating shaft at equal intervals, and the first brush is installed on the second rotating blades.
Preferably, the side surface of the second transmission gear is meshed with a third transmission gear, and the third transmission gear is connected with an air blowing device for removing powder adhered to the first brush.
Preferably, the blowing device comprises a second rotating shaft, a third central shaft, third rotating blades and an air pipe, the second rotating shaft is fixedly connected with the third central shaft on the third transmission gear, the third rotating blades are fixedly connected to the two sides of the second rotating shaft at equal intervals, air gaps are formed in the third rotating blades, the air pipe is fixed inside the second rotating shaft through a bearing, one end of the air pipe penetrates through the third transmission gear and is connected with an air pump, and air holes are formed in the air pipe at positions corresponding to the third rotating blades.
Preferably, spread the powder roller through first installing support movable mounting in on the second is dull and stereotyped, install the third driving motor who is used for driving fourth drive gear through the second installing support on the second is dull and stereotyped, fourth drive gear and fifth drive gear meshing connection are used for the drive spread the rotation of powder roller.
Preferably, a second hairbrush is arranged between the scraper and the powder spreading roller and is used for cleaning powder adhered to the powder spreading roller.
Preferably, a powder storage cavity for storing powder is arranged between the powder inlet pipe and the powder inlet hopper, and a control valve for controlling the flow of the powder is arranged on the powder inlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the powder cleaning device, the first transmission gear is driven to rotate by starting the second driving motor, the first transmission gear can be driven to rotate reversely by the rotation of the first transmission gear, the first brushes on the first rotating blade and the second rotating blade can be contacted by the first transmission gear through the reverse rotation directions of the first transmission gear and the second transmission gear so as to clean powder adhered on the first rotating blade, the second transmission gear can be driven to rotate reversely by the rotation of the second transmission gear and the third transmission gear, the powder adhered on the first brushes can be blown off by the gas circulating on the third rotating blade through the reverse rotation directions of the second transmission gear and the third transmission gear, and the powder can fall into the lower opening of the powder supply box through the powder outlet by the stirring device, the cleaning device and the blowing device, so that the waste of the powder is avoided; the scraper, the powder spreading roller and the powder supply box are sequentially arranged on the bottom surface of the second flat plate from left to right, so that the powder falling, powder spreading and scraping can be completed at one time, and the operation is convenient and quick; utilize and store up the powder chamber and can once only store a large amount of powder to supply the multilayer of product to spread the powder, save the time of adding the powder, utilize the control valve can set up the required volume of laying a layer of powder, save the time of retrieving unnecessary powder.
Drawings
FIG. 1 is a schematic structural view of the present invention without powder spreading;
FIG. 2 is a schematic structural view after powder spreading of the present invention;
FIG. 3 is a bottom view of the first and second plates of the present invention;
FIG. 4 is a left side view of the configuration of the first and second plates of the present invention;
FIG. 5 is a schematic view of the stirring device, the cleaning device and the blowing device of the present invention;
FIG. 6 is an enlarged view of the stirring device, the cleaning device and the blowing device according to the present invention;
fig. 7 is a schematic structural diagram of the scraper, the powder spreading roller and the powder supply box.
In the figure: the device comprises a machine frame 1, a forming platform 2, a lead screw 3, a sliding rod 4, a first fixed seat 5, a first flat plate 6, a first driving motor 7, a second fixed seat 8, a second flat plate 9, a scraper 10, a powder spreading roller 11, a powder supply box 12, a powder inlet 13, a powder inlet 14, a powder inlet hopper 15, a stirring device 16, a first rotating shaft 17, a first rotating blade 18, a second driving motor 19, a first central shaft 20, a first transmission gear 21, a second transmission gear 22, a cleaning device 23, a second rotating shaft 24, a second central shaft 25, a second rotating blade 26, a first brush 27, a third transmission gear 28, an air blowing device 29, a second rotating shaft 30, a third central shaft 31, a third rotating blade 32, an air pipe 33, an air gap 34, a bearing 35, an air pump 36, an air hole 37, a first mounting bracket 38, a second mounting bracket 39, a fourth transmission gear 40, a third driving motor 41, a fifth transmission gear 42, a second brush 43, a powder storage cavity 44, a control valve 45 and a powder outlet 46.
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 of the 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 (b):
referring to fig. 1 to 7, the present invention provides a technical solution:
a powder system is dynamically spread in additive manufacturing, as shown in fig. 1 and fig. 2, the powder system comprises a rack 1 and a forming platform 2, the rack 1 is located right above the forming platform 2, a lead screw 3 and a sliding rod 4 are respectively installed on the rack 1, two ends of the lead screw 3 are rotatably connected with a first fixing seat 5, the lead screw 3 penetrates through a first flat plate 6 and is rotatably connected with the first flat plate 6, one end of the lead screw 3 penetrates through the first fixing seat 5 and is connected with a first driving motor 7, two ends of the sliding rod 4 are fixedly connected with a second fixing seat 8, the sliding rod 4 penetrates through a second flat plate 9 and is slidably connected with the second flat plate 9, and a scraper 10, a powder spreading roller 11 and a powder supply box 12 are sequentially and fixedly installed on the bottom surface of the second flat plate 9 from left to right; as shown in fig. 7, a second brush 43 is installed between the scraper 10 and the powder spreading roller 11, the second brush 43 is used for cleaning powder adhered on the powder spreading roller 11, the powder spreading roller 11 is movably installed on the second flat plate 9 through the first installation bracket 38, a third driving motor 41 for driving a fourth transmission gear 40 is installed on the second flat plate 9 through the second installation bracket 39, and the fourth transmission gear 40 is meshed with the fifth transmission gear 42 and is used for driving the powder spreading roller 11 to rotate; as shown in fig. 5, a powder inlet 13 is formed in a side surface of the powder supply box 12, a powder outlet 46 is formed in a bottom end of the powder supply box 12, a powder inlet pipe 14 is connected to the powder inlet 13, the powder inlet pipe 14 is set to be in a mode of being low on the left and high on the right, so that powder can better flow into the powder supply box 12, the other end of the powder inlet pipe 14 is connected to a powder outlet of the powder inlet hopper 15, a powder storage cavity 44 for storing powder is arranged between the powder inlet pipe 14 and the powder inlet hopper 15, a control valve 45 for controlling the flow rate of the powder is arranged on the powder inlet pipe 14, a stirring device 16 for scattering agglomerated powder is arranged in the powder supply box 12, the stirring device 16 includes a first rotating shaft 17 and first rotating blades 18 fixedly connected to two sides of the first rotating shaft 17 at equal intervals, the first rotating shaft 17 penetrates through the top of the powder supply box 12 to be connected to a first central shaft 20 of a second driving motor 19, a first driving gear 21 is fixedly connected to the first central shaft 20, and a side surface of the first driving gear 21 is meshed with a second driving gear 22.
As shown in fig. 5 and 6, the second transmission gear 22 is connected to a cleaning device 23 for removing the powder adhered to the first rotating blade 18, the cleaning device 23 includes a second rotating shaft 24, a second central shaft 25, second rotating blades 26 and first brushes 27, the second rotating shaft 24 is fixedly connected to the second central shaft 25 of the second transmission gear 22, the second rotating blades 26 are fixedly connected to both sides of the second rotating shaft 24 at equal intervals, and the first brushes 27 are mounted on the second rotating blades 26.
As shown in fig. 5 and 6, the side surface of the second transmission gear 22 is engaged with the third transmission gear 28, the third transmission gear 28 is connected with an air blowing device 29 for removing powder adhered to the first brush 27, the air blowing device 29 includes a second rotating shaft 30, a third central shaft 31, third rotating blades 32 and an air pipe 33, the second rotating shaft 30 is fixedly connected with the third central shaft 31 of the third transmission gear 28, the third rotating blades 32 are fixedly connected to both sides of the second rotating shaft 30 at equal intervals, the third rotating blades 32 are provided with air gaps 34, the air pipe 33 is fixed inside the second rotating shaft 30 through a bearing 35, one end of the air pipe 33 penetrates through the third transmission gear 28 and is connected with an air pump 36, and the air pipe 33 is provided with air holes 37 at positions corresponding to the third rotating blades 32.
In the invention, a scraper 10, a powder spreading roller 11 and a powder supply box 12 are sequentially arranged from left to right, so that a complete work flow of powder falling, powder spreading and leveling is provided, and the specific flow is as follows: drive lead screw 3's rotation after first driving motor 7 starts to drive second flat plate 9 and slide right, can fall the powder on the product of shaping platform 2 through supplying powder case 12, spread powder roller 11 and can flatten the powder of the product that falls on shaping platform 2, and scraper 10 can be strickleed off the inconsistent powder of powder thickness, through scraper 10 and the combined action of spreading powder roller 11, make and spread the powder more evenly level and smooth and compact.
In the present invention, the first rotating blade 18, the second rotating blade 26, and the third rotating blade 32 are static eliminating bars that prevent powder from adhering to the first rotating blade 18, the second rotating blade 26, and the third rotating blade 32.
In the invention, the forming platform 2 is positioned in the middle of the lower part of the frame 1, and the length of the sliding rod 4 meets the requirement that the powder supply box 12 can slide to the left edge of the forming platform 2 and the scraper 10 can slide to the right edge of the forming platform 2, so that powder is fully laid on the product of the forming platform 2 from left to right.
In the invention, a large amount of powder can be stored at one time by using the powder storage cavity 44 for the multilayer powder laying of the product, the time for adding the powder is saved, the amount required for laying a layer of powder can be set by using the control valve 45, and the time for recovering the redundant powder is saved.
In the present invention, the first transmission gear 21 is driven to rotate by the activation of the second driving motor 19, the rotation of the first transmission gear 21 can drive the reverse rotation of the second transmission gear 22, the rotation of the second transmission gear 22 can drive the reverse rotation of the third transmission gear 28, the first rotating blade 18 can be contacted with the first brush 27 on the second rotating blade 26 by the reverse rotation direction of the first transmission gear 21 and the second transmission gear 22 to clean the powder adhered on the first rotating blade 18, the gas flowing on the third rotating blade 32 can blow off the powder adhered on the first brush 27 by the reverse rotation direction of the second transmission gear 22 and the third transmission gear 28, and the powder can fall into the lower opening of the powder supply box 12 by the stirring device 16, the sweeping device 23 and the blowing device 29, thereby avoiding the waste of the powder.
The working principle of the additive manufacturing dynamic powder laying system is as follows:
firstly, the second driving motor 19 is started to drive the first rotating blade 18 to rotate, the second rotating blade 26 is driven to rotate under the meshing transmission action of the first transmission gear 21 and the second transmission gear 22, the third rotating blade 32 is driven to rotate under the meshing transmission action of the second transmission gear 22 and the third transmission gear 28, meanwhile, the air pump 36 is started, air is introduced into the third rotating blade 32 through the air pipe 33 and the air hole 37, then the first driving motor 7 is started, the lead screw 3 moves rightwards to drive the second flat plate 9 to move rightwards, the second flat plate 9 moves rightwards to drive the scraper 10, the powder spreading roller 11 and the powder supply box 12 to move rightwards, the powder supply box 12 moves rightwards from the left edge of the forming platform 2 to the right edge of the forming platform, a layer of powder spreading amount flows into the powder supply box 12 through the powder inlet 13 and the powder inlet pipe 14 through the control valve 45, and the agglomerated powder is scattered through the first rotating blade 18, because the rotation directions of the second rotating blade 26 and the first rotating blade 18 are opposite, the first brush 27 can remove the powder on the first rotating blade 18, because the rotation directions of the third rotating blade 32 and the second rotating blade 26 are opposite, the air in the third rotating blade 32 is blown to the first brush 27 through the air gap 34, the powder in the first brush 27 can be removed, under the combined action of the cleaning device 23 and the air blowing device 29, the powder in the powder supply box 12 can fall on the product on the forming platform 2 through the powder outlet 46, when the powder is fallen from the powder supply box 12, the powder spreading roller 11 at the rear part thereof is driven by the third driving motor 41 and the fourth driving gear 40 to spread and compact the powder just fallen at the front part, so that at the same time, the scraper 10 at the rear part of the powder spreading roller 11 can scrape the spread and compacted powder, the scraper 10, the powder spreading roller 11 and the powder supply box 12 are sequentially arranged on the bottom surface of the second flat plate 9 from left to right, so that the powder falling, powder spreading and scraping can be completed at one time, and the operation is convenient and quick.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an additive manufacturing developments shop powder system, includes frame (1) and shaping platform (2), frame (1) is located directly over shaping platform (2), install lead screw (3) and slide bar (4) on frame (1) respectively, the both ends rotation of lead screw (3) is connected with first fixing base (5), lead screw (3) run through first flat board (6), and rotate with first flat board (6) and be connected, the one end of lead screw (3) runs through first fixing base (5) and first driving motor (7) are connected, the both ends fixedly connected with second fixing base (8) of slide bar (4), slide bar (4) run through second flat board (9), and with second flat board (9) sliding connection, its characterized in that, the bottom surface of second flat board (9) is fixed mounting in proper order from left side to right side has scraper (10) and shop's powder roller (11) and supplies powder case (12), the side of supplying powder case (12) has seted up powder inlet (13), the powder outlet (12) the bottom of supplying case (12) is seted up powder inlet (14) the powder inlet (14) and powder outlet (14) are connected with powder inlet pipe (14) and powder outlet (14) are connected, agitating unit (16) include first rotating shaft (17) and equidistant fixed connection in first rotating shaft (17) the first rotating vane (18) of both sides, first rotating shaft (17) run through supply the top of powder case (12) and first center pin (20) of second driving motor (19) to connect, still fixedly connected with first drive gear (21) on first center pin (20), the side and the second drive gear (22) meshing of first drive gear (21) are connected.
2. Additive manufacturing dynamic dusting system according to claim 1 whereby a sweeping device (23) is connected to the second transmission gear (22) removing powder adhering to the first rotating blade (18).
3. An additive manufacturing dynamic dusting system according to claim 2, whereby the sweeping means (23) comprises a second rotating shaft (24), a second central shaft (25) and second rotating blades (26) and a first brush (27), the second rotating shaft (24) and the second central shaft (25) on the second transmission gear (22) are fixedly connected, the second rotating blades (26) are fixedly connected on both sides of the second rotating shaft (24) at equal intervals, and the first brush (27) is mounted on the second rotating blades (26).
4. Additive manufacturing dynamic dusting system according to claim 3 whereby the side of the second transmission gear (22) is engaged with a third transmission gear (28) and whereby an air blowing device (29) is connected to the third transmission gear (28) removing powder adhering to the first brush (27).
5. The additive manufacturing dynamic powder laying system according to claim 4, wherein the blowing device (29) comprises a second rotating shaft (30), a third central shaft (31), third rotating blades (32) and an air pipe (33), the second rotating shaft (30) is fixedly connected with the third central shaft (31) on the third transmission gear (28), the third rotating blades (32) are fixedly connected to two sides of the second rotating shaft (30) at equal intervals, air slits (34) are formed in the third rotating blades (32), the air pipe (33) is fixed inside the second rotating shaft (30) through a bearing (35), one end of the air pipe (33) penetrates through the third transmission gear (28) and is connected with an air pump (36), and air holes (37) are formed in the air pipe (33) at positions opposite to the third rotating blades (32).
6. The additive manufacturing dynamic powder laying system according to claim 1, wherein the powder laying roller (11) is movably mounted on the second plate (9) through a first mounting bracket (38), a third driving motor (41) for driving a fourth transmission gear (40) is mounted on the second plate (9) through a second mounting bracket (39), and the fourth transmission gear (40) is meshed with a fifth transmission gear (42) and used for driving the powder laying roller (11) to rotate.
7. Additive manufacturing dynamic dusting system according to claim 1 whereby a second brush (43) is mounted between the doctor blade (10) and the dusting roller (11), said second brush (43) being used to clean powder adhering to the dusting roller (11).
8. Additive manufacturing dynamic powder laying system according to claim 1, wherein a powder storage chamber (44) for storing powder is arranged between the powder inlet pipe (14) and the powder inlet hopper (15), and a control valve (45) for controlling the flow rate of the powder is arranged on the powder inlet pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723056.4A CN115179548A (en) | 2022-06-21 | 2022-06-21 | Additive manufacturing dynamic powder laying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723056.4A CN115179548A (en) | 2022-06-21 | 2022-06-21 | Additive manufacturing dynamic powder laying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115179548A true CN115179548A (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210723056.4A Withdrawn CN115179548A (en) | 2022-06-21 | 2022-06-21 | Additive manufacturing dynamic powder laying system |
Country Status (1)
| Country | Link |
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| CN (1) | CN115179548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116160024A (en) * | 2023-01-07 | 2023-05-26 | 福州大学 | Selective laser melting scraper-roller combined powder spreading device and working method |
-
2022
- 2022-06-21 CN CN202210723056.4A patent/CN115179548A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116160024A (en) * | 2023-01-07 | 2023-05-26 | 福州大学 | Selective laser melting scraper-roller combined powder spreading device and working method |
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Application publication date: 20221014 |