CN110549598A - Powder supply and spreading device - Google Patents
Powder supply and spreading device Download PDFInfo
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- CN110549598A CN110549598A CN201810562320.4A CN201810562320A CN110549598A CN 110549598 A CN110549598 A CN 110549598A CN 201810562320 A CN201810562320 A CN 201810562320A CN 110549598 A CN110549598 A CN 110549598A
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- powder
- roller
- supply
- storage groove
- rotor
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/255—Enclosures for the building material, e.g. powder containers
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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
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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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
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a powder supply and spreading device, and belongs to the field of additive manufacturing. The powder spreading device comprises a powder storage chamber, a powder supply roller, a powder spreading roller, a horizontal detector and a power device, wherein the powder supply roller is of a rotor structure; the powder spreading roller is cylindrical; the powder supply roller comprises a first powder supply rotor, a first powder storage groove, a second powder supply rotor and a second powder storage groove; the first powder storage groove and the second powder storage groove are arranged at the bottom end in the powder storage chamber and are higher than the powder paving roller; the first powder supply rotor and the second powder supply rotor are respectively arranged in the first powder storage groove and the second powder storage groove, and the first powder supply rotor, the second powder supply rotor, the first powder storage groove and the second powder storage groove are symmetrical to the powder paving roller; the first powder supply rotor and the second powder supply rotor are provided with powder supply blades, and the powder supply blades are fixed on the powder supply rotors at equal intervals. The invention adopts the rotor structure with the powder feeding blades to realize quantitative powder feeding and powder spreading, increase the powder feeding amount and improve the efficiency; adopt cylindrical shop's powder roller and will go out the powder mouth and set up on shop's powder roller, can realize evenly spreading the powder, improve and spread powder quality.
Description
Technical Field
The invention relates to the field of additive manufacturing, relates to a 3D printer, and particularly relates to a powder supply and spreading device of the 3D printer.
Background
The additive manufacturing is to finish the processing of parts by means of layered scanning. In the processing process, when one layer is processed, the workbench descends by one layer thickness, the powder supplying and spreading device sends out a certain amount of powder, the powder is spread by the powder spreading mechanism, and then the layer of powder is sintered by laser. The process is repeated continuously, and finally the processing is finished.
In the field of additive manufacturing, namely 3D printing technology, solving the problem of powder supply and powder spreading has been a hotspot in the research of 3D printing technology, and various powder supply and powder spreading devices proposed on the market have various disadvantages, and are difficult to satisfy ideal effects in use. In the technical field of 3D printing, the quality of powder laying quality determines the forming quality of parts, and the powder feeding and laying device is designed reasonably and is very important from the side. If some powder supplying and spreading devices are separately designed, powder is spread while powder is supplied from the outside, so that the structure and the equipment volume are increased undoubtedly, the equipment cost is increased, and a good powder spreading effect is difficult to achieve; some devices combine powder supply and powder laying together, the initial idea is certainly to improve the efficiency and the powder laying quality, and some devices adopt a single strickle but are difficult to improve the powder laying quality; some of the scrapers adopt double scrapers, but the scrapers are easy to damage due to some defects in design, such as hard particles; most devices do not dig deeply for dosing powder, resulting in waste of powder.
Disclosure of Invention
The invention aims to provide a powder supply and spreading device, which adopts a rotor structure with powder feeding blades to realize quantitative powder supply and spreading, increase the powder supply amount and improve the efficiency; the cylindrical powder spreading roller is adopted, and the powder outlet is arranged on the powder spreading roller, so that the powder can be uniformly spread, and the powder spreading quality is improved; because spread the powder roller and make for hollow structure's soft silica gel, can easily cross the barrier when meetting impurity such as hard granule, avoid damaging and spread the powder roller.
in order to achieve the purpose, the invention adopts the technical scheme that:
A powder supply and spreading device comprises a powder storage chamber 8, a first powder supply roller 20, a second powder supply roller 21, a spreading roller 22, a level detector 1 and a power device 7, wherein the first powder supply roller and the second powder supply roller are of a rotor structure; the powder spreading roller 22 is cylindrical; the powder storage 8 chamber is composed of an upper box body 2 and a lower box body 3 which are tightly connected and sealed by a sealing gasket 9; the first powder supply roller and the second powder supply roller respectively comprise a first powder supply rotor 10, a first powder storage groove 11, a second powder supply rotor 14 and a second powder storage groove 15, and the inner parts of the first powder supply rotor and the second powder storage groove are semicircular;
The first powder storage groove and the second powder storage groove are arranged at the bottom end inside the powder storage chamber 8 and are higher than the powder paving roller 22; the first powder supply rotor and the second powder supply rotor are respectively arranged in the first powder storage groove and the second powder storage groove, and the first powder supply rotor, the second powder supply rotor, the first powder storage groove and the second powder storage groove are symmetrical to the powder paving roller 22; the first powder supply rotor and the second powder supply rotor are both provided with 3 powder feeding blades 12, the 3 powder feeding blades 12 are straight in the longitudinal direction and are fixed on the first powder supply rotor 10 and the second powder supply rotor 14 at equal intervals, and preferably, a bolt connection mode is adopted; one end of the powder feeding blade 12, which is in contact with the inner part of the powder storage groove, is in a circular arc shape so as to reduce abrasion;
The first powder supply rotor 10 and the second powder supply rotor 14 are symmetrical to the powder paving roller 22, and are respectively connected with the first power device 5 and the second power device 6 and respectively control the first powder supply rotor and the second powder supply rotor to rotate; the powder feeding blade 12 is in seamless fit with the powder storage groove to store a certain amount of powder;
First, two confession powder rotors are corresponding to be equipped with first powder outlet 13 and second powder outlet 16 under, first, two export of powder outlet connect in spread on the powder roller 22, because the powder in both sides storage powder groove all will move extremely at last spread powder roller 22, the powder motion has very big randomness for the powder can be spread uniformly on spreading powder roller 22, spread powder roller 22 and carry the powder to work platform after rotating, realize even dusting and spread the powder, obtain high-quality shop's powder effect.
Further, the powder spreading roller 22 comprises a powder spreading roller sleeve 17, a left roller sleeve seat 18, a right roller sleeve seat 18, a rotating shaft 19 and a large power device 4; spread powder roller shell 17 inside and be hollow structure, spread powder roller shell 17 thickness not big, preferably, the material of spreading powder roller 22 is soft silica gel, and at the powder in-process of spreading, if meet impurity such as hard particle, hollow structure's design helps spreading powder roller 22 to cross the obstacle, avoids damaging and spreads powder roller 22, spread powder roller shell 17 and install on controlling roller shell seat 18, control roller shell seat 18 and fix on pivot 19 and be connected with big power device 4.
Further, the powder paving roller 22 is arranged at the bottom of the powder storage chamber 8 and is positioned below the first powder storage groove and the second powder storage groove; the distance that the lowest excircle generatrix of the powder paving roller 22 is lower than the bottom end plane of the powder storage chamber 8 is 0.5 mm.
Further, the outer edge of the powder spreading roller 22 is tangent to the outer edges of the two powder storage tanks.
further, the first powder outlet and the second powder outlet are arc-shaped and are symmetrical to the powder spreading roller 22.
Further, the gap formed by the spacing angle of the powder feeding blades 12 is larger than the width of the first and second powder outlets.
Further, the powder feeding blade (12) is 3-6 pieces to meet different amounts of powder supply.
furthermore, the powder feeding blades (12) are spaced at 120 degrees, and 3 powder feeding blades (12) are arranged on each powder spreading roller (22).
Compared with the prior art, the invention has the following advantages:
The powder supply and spreading device can realize quantitative powder supply, and can realize uniform powder spreading under the action of the powder spreading roller due to the random movement of powder to the powder spreading roller, thereby realizing high-quality powder spreading effect; outside supplying powder spreader, both ends adopt two powder storage tank about the workstation, supply powder spreader to only need move a stroke on the workstation at every turn, can raise the efficiency. The device has a simpler structure, and the ingenious design not only improves the structure but also reduces the manufacturing cost.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an overall schematic view of embodiment 1 of the present invention.
Fig. 2 is a side sectional view of embodiment 1 of the present invention.
The corresponding part names indicated by the numbers in the figures:
1. Level detector 2, upper box 3, lower box 4, third power device 5, first power device 6, second power device 7, power device 8, powder storage chamber 9, sealing gasket 10, first powder supply rotor 11, first powder storage tank 12 and powder feeding blade
13. A first powder outlet 14, a second powder supply rotor 15, a second powder storage tank 16, a second powder outlet 17, a powder spreading roller sleeve 18, a roller sleeve seat 19, a rotating shaft 20, a first powder supply roller 21, a second powder supply roller 22 and a powder spreading roller
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like refer to orientations or positional relationships based on those shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1 and 2, the powder supply and spreading device comprises a powder storage chamber 8, a first powder supply roller 20, a second powder supply roller 21, a spreading roller 22, a level detector 1 and a power device 7, wherein the first powder supply roller and the second powder supply roller are in a rotor structure; the dusting roller 22 is cylindrical.
the powder storage chamber 8 is composed of an upper box body 2 and a lower box body 3, a sealing gasket 9 is arranged between the upper box body and the lower box body, the upper box body and the lower box body are connected together in a jogged mode to ensure the sealing effect of the whole powder storage chamber 8, and the sealing gasket 8 is made of common polytetrafluoroethylene; the first powder supply roller and the second powder supply roller respectively comprise a first powder supply rotor 10, a first powder storage groove 11, a second powder supply rotor 14 and a second powder storage groove 15, the inner parts of the first powder supply rotor and the second powder storage groove are semicircular, and the first powder supply rotor and the second powder storage groove are arranged at the bottom end of the inner part of the powder storage chamber 8 and are higher than the powder paving roller 22; rotating shafts are arranged at two ends of the first powder supply rotor and the second powder supply rotor in a welding mode, the first powder supply rotor and the second powder supply rotor are respectively installed in the first powder storage groove and the second powder storage groove through the rotating shafts, the first powder supply rotor, the second powder supply rotor, the first powder storage groove and the second powder storage groove are symmetrical to the powder spreading roller 22, and the center distance between the two powder supply rollers is larger than the diameter of the powder spreading roller 20 so as to avoid interference; the first powder supply rotor and the second powder supply rotor are both provided with 3 powder feeding blades 12, the 3 powder feeding blades 12 are straight in the longitudinal direction and are fixed on the first powder supply rotor 10 and the second powder supply rotor 14 in an equidistant mode in a bolt connection mode; one end of the powder feeding blade 12, which is in contact with the inner part of the powder storage groove, is in a circular arc shape so as to reduce abrasion; the first powder supply rotor 10 and the second powder supply rotor 14 are symmetrical to the powder spreading roller 22, and are respectively connected with the first power device 5 and the second power device 6 through couplers, the first power device and the second power device respectively control the first powder supply rotor and the second powder supply rotor to rotate for 1/3 circles each time in work, and quantitative powder supply is realized by using powder stored by the two powder feeding blades 12, in the embodiment, the power device adopts a stepping motor; the powder feeding blade 12 is in seamless fit with the powder storage groove to store a certain amount of powder.
In this embodiment, the powder spreading roller 22 comprises a powder spreading roller sleeve 17, a left roller sleeve seat 18, a right roller sleeve seat 18, a rotating shaft 19 and a third power device 4; the powder spreading roller sleeve 17 is internally of a hollow structure, the powder spreading roller 22 is made of soft silica gel, in the powder spreading process, if impurities such as hard particles are encountered, the design of the hollow structure is beneficial for the powder spreading roller 22 to cross obstacles and avoid damaging the powder spreading roller 22, the powder spreading roller sleeve 17 is installed on the left and right roller sleeve seats 18 through rotating shafts at two ends of the powder spreading roller sleeve, and the left and right roller sleeve seats 18 are fixed on the rotating shaft 19 and connected with the third power device 4; the powder paving roller 22 is arranged at the bottom of the powder storage chamber 8 and is positioned below the first powder storage groove and the second powder storage groove; the distance between the lowest excircle generatrix of the powder paving roller 22 and the bottom end plane of the powder storage chamber 8 is 0.5 mm; the outer edge of the powder paving roller 22 is tangent to the outer edges of the two powder storage grooves.
A first powder outlet 13 and a second powder outlet 16 are correspondingly arranged under the first powder supply rotor and the second powder supply rotor, the first powder outlet and the second powder outlet are arc-shaped and are symmetrical to the powder paving roller 22, outlets of the first powder outlet and the second powder outlet are connected to the powder paving roller 22, powder in the powder storage grooves on two sides finally runs to the powder paving roller 22, powder movement has great randomness, so that the powder can be uniformly paved on the powder paving roller 22, the powder paving roller 22 conveys the powder to a working platform after rotating, uniform powder spreading and powder paving are realized, and a high-quality powder paving effect is obtained; the gap formed by the spacing angles of the powder feeding blades 12 is larger than the width of the first powder outlet and the second powder outlet.
The working mode of the invention is as follows:
Powder supply: at the start of operation, powder is supplied from the outside to the powder storage chamber 8; the powder automatically enters the powder storage tank under the action of gravity; the whole device moves on the workbench, and the initial height of the device is detected by the level detector 1, so that the height of the device from the workbench is about 0.1 mm.
Powder spreading: starting the power device to enable the device to start to move along the workbench, starting the first power device and the second power device to enable the powder supply roller to work, only rotating 1/3 circles each time, and adjusting the working speed of the motor and the running speed of the powder supply and spreading device according to the area of the workbench to adjust the supply amount of powder; and meanwhile, the power device 4 is started to enable the powder spreading roller to start working, powder discharged from the powder storage tank is randomly spread on the powder spreading roller through the powder outlet, and under the rotating action of the powder spreading roller, the powder can be uniformly spread on the workbench. In the working process of the powder supplying and spreading device, the levelness of the device is monitored at any time by the level detector 1 to ensure the powder spreading quality, if the detected height is uneven, the level detector 4 feeds back a signal to the control system, the control system sends out an adjusting signal, and the level of the device is adjusted by the air cylinder at the upper end of the powder supplying and spreading device. When the device runs from one end of the workbench to the other end, laser processing is started, and after one layer is processed, the powder supply and spreading device starts to return to the powder spreading work from the other end, so that the same effect is realized.
Example 2:
The present embodiment is different from embodiment 1 only in that the powder feeding blade provided on the powder feeding roller in the embodiment of the present invention can provide 6 pieces of powder feeding blades according to actual use conditions, and this is done to adjust the powder supply amount in a single powder laying process, so that quantitative powder feeding can be more accurately achieved.
The operation and other structures and connection modes of the present embodiment are the same as those of embodiment 1.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a supply powder spreader, includes powder storage room (8), supplies powder roller, spreads powder roller (22) and power device (7), its characterized in that:
The powder supply roller is of a rotor structure; the powder spreading roller (22) is cylindrical;
The powder supply roller comprises a first powder supply rotor (10), a first powder storage groove (11), a second powder supply rotor (14) and a second powder storage groove (15); the first powder storage groove and the second powder storage groove are arranged at the bottom end inside the powder storage chamber (8) and are higher than the powder paving roller (22);
the first powder supply rotor and the second powder supply rotor are respectively arranged in the first powder storage groove and the second powder storage groove, and the first powder supply rotor, the second powder supply rotor, the first powder storage groove and the second powder storage groove are symmetrical to the powder paving roller (22);
The first powder supply rotor and the second powder supply rotor are provided with powder feeding blades (12), and the powder feeding blades (12) are straight in the longitudinal direction and are fixed on the first powder supply rotor and the second powder supply rotor at equal intervals;
The powder feeding blade (12) is in seamless joint with the powder storage groove;
A first powder outlet and a second powder outlet are correspondingly arranged under the first and second powder supply rotors, and outlets of the first powder outlet and the second powder outlet are connected to the powder paving roller.
2. A powder supply and placement machine as defined in claim 1, wherein: the powder spreading roller (22) comprises a powder spreading roller sleeve (17), a left roller sleeve seat, a right roller sleeve seat, a rotating shaft (19) and a power device (7); spread powder roller shell (17) inside and be hollow structure, and install on roller shell seat (18) about, roller shell seat (18) are fixed on pivot (19) and are connected with power device (7) about.
3. A powder supply and placement machine as defined in claim 1, wherein: the powder paving roller (22) is arranged at the bottom of the powder storage chamber (8) and is positioned below the first powder storage groove and the second powder storage groove; the lowest excircle generatrix of the powder paving roller (22) is 0.5mm lower than the bottom end plane of the powder storage chamber (8).
4. A powder supply and placement machine as defined in claim 1, wherein: the outer edge of the powder paving roller (22) is tangent to the outer edges of the first and second powder storage grooves.
5. a powder supply and placement machine as defined in claim 1, wherein: the first powder outlet and the second powder outlet are arc-shaped and are symmetrical to the powder spreading roller (22).
6. A powder supply and placement machine as defined in claim 1, wherein: the gap formed by the two adjacent powder feeding blades (12) is larger than the width of the powder outlet.
7. a powder supply and placement machine as defined in claim 1, wherein: the powder feeding blades (12) are 3-6 pieces.
8. A powder supply and placement machine as defined in claim 1, wherein: the powder feeding blades (12) are spaced at 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562320.4A CN110549598B (en) | 2018-06-04 | 2018-06-04 | Powder supply and spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562320.4A CN110549598B (en) | 2018-06-04 | 2018-06-04 | Powder supply and spreading device |
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| Publication Number | Publication Date |
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| CN110549598A true CN110549598A (en) | 2019-12-10 |
| CN110549598B CN110549598B (en) | 2021-12-03 |
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| CN201810562320.4A Active CN110549598B (en) | 2018-06-04 | 2018-06-04 | Powder supply and spreading device |
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Cited By (2)
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| CN112208098A (en) * | 2020-09-22 | 2021-01-12 | 杭州德迪智能科技有限公司 | 3D printer and powder laying method thereof |
| CN113085187A (en) * | 2021-04-02 | 2021-07-09 | 东北林业大学 | Modularized powder consumable supply system for laser sintering |
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| JP2015178245A (en) * | 2014-03-19 | 2015-10-08 | シーメット株式会社 | Powder material feeder of three-dimensional shaping apparatus |
| CN205393540U (en) * | 2016-02-22 | 2016-07-27 | 上海拓宝机电科技有限公司 | Metal powder conveyor and laser election district melting unit |
| CN105903966A (en) * | 2016-06-28 | 2016-08-31 | 华南理工大学 | Internally-arranged automatic coating device and method based on 3D printing of precious metal |
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| CN113085187B (en) * | 2021-04-02 | 2023-08-18 | 东北林业大学 | Modularized powder consumable supply system for laser sintering |
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| CN110549598B (en) | 2021-12-03 |
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