CN117464002A - Quantitative powder feeding device with stirring function - Google Patents
Quantitative powder feeding device with stirring function Download PDFInfo
- Publication number
- CN117464002A CN117464002A CN202311664681.7A CN202311664681A CN117464002A CN 117464002 A CN117464002 A CN 117464002A CN 202311664681 A CN202311664681 A CN 202311664681A CN 117464002 A CN117464002 A CN 117464002A
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- Prior art keywords
- stirring
- powder
- material box
- feeding
- powder feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000843 powder Substances 0.000 title claims abstract description 171
- 238000003756 stirring Methods 0.000 title claims abstract description 157
- 239000000463 material Substances 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 19
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/005—Loading or unloading powder metal objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses a quantitative powder feeding device with a stirring function, which comprises a bottom plate, a feeding support plate, a discharging pipe mounting plate, a material box upper cover plate, a powder feeding driving device, a stirring piece and a powder stirring driving device, wherein a filling through hole is formed in the bottom plate, the feeding support plate is respectively arranged on two side walls of the bottom plate, the discharging pipe is arranged at the top of the feeding support plate through the discharging pipe mounting plate, the material box is movably arranged on the bottom plate, one side of the material box upper cover plate is fixedly arranged at the top of the material box, the powder feeding driving device is arranged at the bottom of the other side of the material box upper cover plate, the material box upper cover plate is provided with a feeding through hole, the powder feeding driving device is in transmission connection with the material box upper cover plate, and the powder stirring driving device is fixedly arranged on the material box and in transmission connection with the stirring piece. The invention can realize quantitative transfer and uniform stirring after powder blanking, so that powder can smoothly drop into cavity holes and be filled, stability and precision of powder filling can be ensured for powder with poor fluidity, and the powder filling machine is suitable for powder filling of a master model with large-area and multi-cavity holes.
Description
Technical Field
The invention relates to the technical field of powder feeding devices, in particular to a quantitative powder feeding device with a stirring function.
Background
The powder metallurgy is a process technology for manufacturing parts with various shapes by using metal powder (or a mixture of metal powder and non-metal powder) as powder after compression molding and sintering, and the process flow generally comprises three steps of mixing, compression molding and sintering to obtain a finished product.
As disclosed in chinese patent No. CN113752360a, an improved rotary powder molding press is provided with a powder feeding hopper and a powder filling device, wherein a feeding end of a powder filling and discharging pipe of the powder filling device is connected with the powder feeding hopper through a pipeline, a discharging end of the powder filling and discharging pipe extends to a molding female mold, powder stored in the powder feeding hopper can be filled into a molding cavity of the molding female mold directly below the molding female mold through the powder filling and discharging pipe, and the powder in the powder feeding and filling manner is easily accumulated in the powder feeding hopper, and is easy to cause phenomena such as arching, agglomeration and the like, so that the powder is unevenly, unevenly and fully discharged in the powder filling and discharging pipe.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the quantitative powder feeding device with the stirring function, which can realize quantitative transfer after powder blanking, uniformly stir the powder to enable the powder to smoothly fall into a cavity hole and fill fully, ensure the stability and precision of powder filling for powder with poor fluidity, and is suitable for powder filling of a master model with large-area and multi-cavity holes.
In order to achieve the above purpose, the invention provides a quantitative powder feeding device with a stirring function, which comprises a base plate, a feeding support plate, a discharging pipe mounting plate, a material box upper cover plate, a powder feeding driving device, stirring pieces and a powder stirring driving device, wherein one side of the base plate is provided with a filling through hole, the two feeding support plates are respectively and vertically arranged on two side walls of the other side of the base plate, the discharging pipe is fixedly arranged at the tops of the two feeding support plates through the discharging pipe mounting plate, the discharging pipe is provided with the discharging through hole, the discharging pipe is communicated with the discharging through hole, the material box is in a hollow structure with two open ends and is movably arranged on the base plate, one side of the material box upper cover plate is fixedly arranged at the top of the material box, the powder feeding driving device is fixedly arranged at the bottom of the other side of the material box upper cover plate, the material box upper cover plate is provided with a feeding through hole, the feeding through hole is arranged at the top of the material box and is communicated with the material box upper cover plate, so that the material box can be driven to move back and forth on the base plate, the powder stirring device is fixedly arranged at one side of the material box upper cover plate, and the stirring device is connected with the stirring pieces through the stirring device, and the stirring device is arranged inside the material box through the stirring device.
Preferably, the powder stirring driving device comprises a powder stirring driving motor, a powder stirring motor fixing plate, a material box stirring guide rod, a first powder stirring gear, a second powder stirring gear, a powder stirring belt, a bevel gear fixing block, a first bevel gear and a second bevel gear, wherein the material box stirring guide rod is rotatably arranged on two side inner walls of the material box and extends out of one side outer wall, the first bevel gear is sleeved on the material box stirring guide rod, one end of the bevel gear fixing block is fixed on the inner wall of the material box and is vertically arranged with the material box stirring guide rod, the second bevel gear is rotatably arranged at the top of the other end of the bevel gear fixing block, the stirring piece is rotatably arranged at the bottom of the other end of the bevel gear fixing block, the first bevel gear is meshed with the second bevel gear, the powder stirring driving motor is arranged on one side surface of the material box through the powder stirring motor fixing plate, the first powder stirring gear is in transmission connection with an output shaft of the powder stirring driving motor, the second powder stirring gear is fixedly arranged on an extending part of the material box stirring guide rod, the stirring guide rod is rotatably arranged on the first bevel gear and the second bevel gear, and the stirring motor is rotatably arranged on the other end of the bevel gear, and the first bevel gear and the second bevel gear is meshed with the first stirring gear.
Preferably, the stirring piece comprises a stirring fixed block, a first stirring rod and a second stirring rod, wherein the middle part of the first stirring rod and the middle part of the second stirring rod are respectively and fixedly arranged on the stirring fixed block, and the first stirring rod and the second stirring rod are distributed in a cross shape by taking the stirring fixed block as the center.
Preferably, the powder feeding driving device comprises a powder feeding driving motor, a powder feeding motor fixing seat, a powder feeding gear and a powder feeding rack, wherein the powder feeding driving motor is arranged at one end of the bottom plate, close to the blanking pipe, through the powder feeding motor fixing seat, the powder feeding rack is downwards arranged at the bottom of the upper cover plate of the material box, the powder feeding gear is in transmission connection with an output shaft of the powder feeding driving motor, the powder feeding gear is meshed with the powder feeding rack, and the powder feeding driving motor can drive the powder feeding gear to rotate and drive the upper cover plate of the material box to move back and forth through the powder feeding rack, so that the material box is driven to move back and forth on the bottom plate.
Preferably, two material box blocking strips are fixedly arranged on the top surface of the bottom plate, are arranged in parallel and are contacted with two outer side walls of the material box.
Compared with the prior art, the invention has the beneficial effects that:
the powder feeding device is simple and novel in structure and reasonable in design, quantitative transfer after powder feeding can be realized by arranging the powder feeding driving device, powder feeding is stable and rapid, the powder feeding efficiency is high, uniform stirring of powder can be realized by arranging the powder stirring driving device, the phenomenon that the powder is blocked or agglomerated and the like is effectively avoided, the powder can fall into a cavity hole smoothly and is fully filled, subsequent pressing operation is convenient, stability and precision of powder filling can be guaranteed for powder with poor flowability, powder filling efficiency is remarkably improved, the molding quality of subsequent products is guaranteed, and the powder feeding device is particularly suitable for powder filling of female dies with large-area and multi-cavity holes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a quantitative powder feeding device with stirring function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a quantitative powder feeding device with a stirring function according to a second embodiment of the present invention;
FIG. 3 is an exploded schematic view of a quantitative powder feeder with stirring function according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a part of a quantitative powder feeding device with a stirring function according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a powder stirring driving device of a quantitative powder feeding device with a stirring function according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of a stirring driving device and a stirring member of a quantitative powder feeding device with stirring function according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a stirring member of a quantitative powder feeding device with a stirring function according to an embodiment of the present invention;
FIG. 8 is a schematic working diagram of a discharging state of a quantitative powder feeding device with stirring function according to an embodiment of the present invention;
fig. 9 is a schematic working diagram of a filling state of a quantitative powder feeder with stirring function according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of the present invention provides a quantitative powder feeding device with a stirring function, which includes a base plate 1, a feeding support plate 2, a discharging tube 3, a discharging tube mounting plate 4, a material box 5, a material box upper cover plate 6, a powder feeding driving device 7, a stirring member 8, a powder stirring driving device 9, a female mold 10, and the like, and each component of the embodiment is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a filling through hole 11 may be formed in one side of the bottom plate 1, two feeding support plates 2 are provided and are respectively vertically disposed on two side walls of the other side of the bottom plate 1, a feeding pipe 3 is fixedly disposed at the top of the two feeding support plates 2 through a feeding pipe mounting plate 4, a feeding through hole 41 is formed in the feeding pipe mounting plate 4, the feeding pipe 3 and the feeding through hole 41 are communicated, a material box 5 is provided as a hollow structure with two open ends and is movably disposed on the bottom plate 1, one side of an upper material box cover plate 6 is fixedly disposed at the top of the material box 5, a powder feeding driving device 7 is fixedly disposed at the bottom of the other side of the upper material box cover plate 6, a feeding through hole 61 is formed in the upper material box cover plate 6, the feeding through hole 61 is located at the top of the material box 5 and is communicated with the material box 5, a stirring device 9 is fixedly disposed at one side of the material box 5, and a stirring device 8 is disposed inside the material box 5 through a stirring device 9.
Preferably, the powder feeding driving device 7 may include a powder feeding driving motor 71, a powder feeding motor fixing seat 72, a powder feeding gear 73 and a powder feeding rack 74, the powder feeding driving motor 71 is disposed at one end of the bottom plate 1 near the blanking pipe 3 through the powder feeding motor fixing seat 72, the powder feeding rack 74 is disposed at the bottom of the upper cover plate 6 of the material box downward, the powder feeding gear 73 is in transmission connection with an output shaft of the powder feeding driving motor 71, the powder feeding gear 73 is meshed with the powder feeding rack 74, and the powder feeding driving motor 71 can drive the powder feeding gear 73 to rotate and drive the upper cover plate 6 of the material box to move back and forth through the powder feeding rack 74, so as to drive the material box 5 to move back and forth on the bottom plate 1. The powder feeding driving device 7 may be a linear driving module commonly used in the market, which is not limited in this embodiment.
As shown in fig. 4 to 6, the stirring driving device 9 may include a stirring driving motor 91, a stirring motor fixing plate 92, a stirring guiding rod 93 of the material box, a first stirring gear 94, a second stirring gear 95, a stirring belt 96, a bevel gear fixing block 97, a first bevel gear 98, a second bevel gear 99, the stirring guiding rod 93 of the material box is rotatably arranged on two inner walls of the material box 5 and extends out from one outer wall of the material box, the first bevel gear 98 is sleeved on the stirring guiding rod 93 of the material box, one end of the bevel gear fixing block 97 is fixed on the inner wall of the material box 5 and is vertically arranged with the stirring guiding rod 93 of the material box, the second bevel gear 99 is rotatably arranged on the top of the other end of the stirring guiding rod 97, the stirring member 8 is rotatably arranged at the bottom of the other end of the stirring guiding rod 97, the first bevel gear 98 is meshed with the second bevel gear 99, the stirring driving motor 91 is arranged on one side of the material box 5 through the stirring motor fixing plate 92, the first stirring gear 94 is in transmission connection with an output shaft of the stirring driving motor 91, the second stirring gear 95 is fixedly arranged on the stirring guiding rod 93 of the material box, and the stirring member 95 can be rotatably meshed with the stirring gear 98 through the stirring member 8, and the stirring guiding rod 93 is rotatably arranged on the stirring guiding rod 93.
As shown in fig. 7, the stirring member 8 may include a stirring fixed block 81, a first stirring rod 82 and a second stirring rod 83, where the middle of the first stirring rod 82 and the middle of the second stirring rod 83 are respectively fixed on the stirring fixed block 81, and the first stirring rod 82 and the second stirring rod 83 are all distributed in a cross shape with the stirring fixed block 81 as the center. In other embodiments, the stirring member 8 may be any stirring device commonly used in the market, such as a stirring shaft with an impeller, which is not limited in this embodiment.
During concrete implementation, the powder feeding driving device 7 can be in transmission connection with the upper cover plate 6 of the material box, so that the material box 5 can be driven to move back and forth on the bottom plate 1, the powder stirring driving device 9 is in transmission connection with the stirring piece 8 and drives the stirring piece 8 to rotate inside the material box 5, powder is stirred through the stirring piece 8, the phenomena of blocking or agglomerating and the like of the powder can be effectively avoided, the powder can smoothly and uniformly fall into the cavity hole 101 of the female die 10 after being stirred loosely, the powder filled in the cavity hole 101 can be more compact, and the filling effect and density of the powder are improved.
Specifically, two cartridge bars 12 can be fixedly arranged on the top surface of the bottom plate 1, and the two cartridge bars 12 are arranged in parallel and are contacted with two outer side walls of the cartridge 5, wherein the cartridge bars 12 can prevent the cartridge 5 from separating from the bottom plate 1 when moving, and the running stability of the cartridge 5 is also improved.
The working principle of the invention is as follows:
as shown in fig. 8, the female mold 10 is firstly installed at the position of the filling through hole 11 on the bottom plate 1, so that the top surface of the female mold 10 and the filling through hole 11 are mutually aligned and communicated, the material box 5 is located under the material-feeding pipe installing plate 4, at the moment, the material-feeding through hole 41 is in a material-feeding state, the material-feeding through hole 61 formed in the material box upper cover plate 6 is mutually aligned and communicated, the material-feeding pipe 3 is communicated with the material-discharging part of external powder processing equipment, powder can fall into the cavity 101 of the female mold 10 through the material-feeding pipe 3, the material box upper cover plate 6 is driven to move towards the filling through hole 11 of the bottom plate 1 by the powder-feeding driving device 7 after the material box 5 is filled, and meanwhile, the powder-stirring driving device 9 drives the stirring piece 8 to rotate to stir the powder in the material box 5, at the moment, and in the material-feeding state, the powder-stirring device 9 continuously drives the stirring piece 8 to rotate in the material box 5, and simultaneously can uniformly fall into the cavity 101 of the female mold 10 to fill the cavity 101, and the powder is taken out by a pressing operator after the powder is filled into the cavity 10, and the pressing operation is completed.
In summary, the powder feeding device is arranged to realize quantitative transfer after powder feeding, the powder feeding is stable and rapid, the powder feeding is high in efficiency, the powder stirring device is arranged to uniformly stir the powder, the phenomena of blocking or agglomerating and the like of the powder are effectively avoided, the powder can fall into a cavity hole smoothly and is filled fully, the subsequent pressing operation is convenient, the stability and precision of powder filling can be ensured for the powder with poor fluidity, the powder filling efficiency is obviously improved, the molding quality of subsequent products is ensured, and the powder feeding device is particularly suitable for powder filling of a master die with large-area and multi-cavity holes.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a take stirring function's ration powder device that send which characterized in that: the feeding device comprises a bottom plate (1), a feeding support plate (2), a feeding pipe (3), a feeding pipe mounting plate (4), a material box (5), a material box upper cover plate (6), a powder feeding driving device (7), stirring pieces (8) and a powder stirring driving device (9), wherein a filler through hole (11) is formed in one side of the bottom plate (1), the feeding support plate (2) is provided with two feeding support plates which are respectively vertically arranged on two side walls of the other side of the bottom plate (1), the feeding pipe (3) is fixedly arranged at the tops of the two feeding support plates (2) through the feeding pipe mounting plate (4), the feeding pipe mounting plate (4) is provided with a feeding through hole (41), the feeding pipe (3) is communicated with the feeding through hole (41), the material box (5) is arranged into a hollow structure with two ends open and is movably arranged on the bottom plate (1), one side of the material box upper cover plate (6) is fixedly arranged at the top of the material box (5), the powder feeding driving device (7) is fixedly arranged at the bottom of the other side of the material box upper cover plate (6), the material box upper cover plate (6) is fixedly provided with the feeding through hole (41), the material feeding device (61) is arranged at the top of the material box upper cover plate (5) and is connected with the material box upper cover plate (5), thereby can drive magazine (5) round trip movement on bottom plate (1), stir powder drive arrangement (9) fixed one side that sets up in magazine (5), stirring piece (8) set up the inside at magazine (5) through stirring powder drive arrangement (9), stirring powder drive arrangement (9) are connected and drive its inside rotation at magazine (5) with stirring piece (8) transmission.
2. The quantitative powder feeding device with a stirring function according to claim 1, wherein: the stirring driving device (9) comprises a stirring driving motor (91), a stirring motor fixing plate (92), a stirring guide rod (93) of a material box, a first stirring gear (94), a second stirring gear (95), a stirring belt (96), a bevel gear fixing block (97), a first bevel gear (98) and a second bevel gear (99), wherein the stirring guide rod (93) of the material box is rotatably arranged on the inner walls of two sides of the material box (5) and extends out of the outer wall of one side, the first bevel gear (98) is sleeved on the stirring guide rod (93) of the material box, one end of the bevel gear fixing block (97) is fixed on the inner wall of the material box (5) and is vertically arranged with the stirring guide rod (93) of the material box, the second bevel gear (99) is rotatably arranged at the top of the other end of the bevel gear fixing block (97), the stirring piece (8) is rotatably arranged at the bottom of the other end of the bevel gear fixing block (97), the first bevel gear (98) is meshed with the second bevel gear (99), one end of the stirring motor (97) is fixed on the inner wall of the stirring guide rod (5) of the material box through the stirring motor (97) and is connected with the stirring guide rod (95) on one side of the stirring guide rod (95) which is fixed, the powder stirring belt (96) is sleeved on the first powder stirring gear (94) and the second powder stirring gear (95), and the powder stirring driving motor (91) can drive the material box stirring guide rod (93) to rotate, so that the stirring piece (8) is driven to rotate through meshing of the first bevel gear (98) and the second bevel gear (99).
3. The quantitative powder feeding device with a stirring function according to claim 1, wherein: stirring piece (8) are including stirring fixed block (81), first puddler (82) and second puddler (83), the middle part of first puddler (82) and the middle part of second puddler (83) are fixed respectively and are set up on stirring fixed block (81), first puddler (82) and second puddler (83) are cross distribution with stirring fixed block (81) as the center.
4. The quantitative powder feeding device with a stirring function according to claim 1, wherein: the powder feeding driving device (7) comprises a powder feeding driving motor (71), a powder feeding motor fixing seat (72), a powder feeding gear (73) and a powder feeding rack (74), the powder feeding driving motor (71) is arranged at one end, close to the blanking pipe (3), of the bottom plate (1) through the powder feeding motor fixing seat (72), the powder feeding rack (74) is downwards arranged at the bottom of the upper cover plate (6) of the material box, the powder feeding gear (73) is in transmission connection with an output shaft of the powder feeding driving motor (71), the powder feeding gear (73) is meshed with the powder feeding rack (74), and the powder feeding driving motor (71) can drive the powder feeding gear (73) to rotate and drive the upper cover plate (6) of the material box to move back and forth through the powder feeding rack (74), so that the material box (5) is driven to move back and forth on the bottom plate (1).
5. The quantitative powder feeding device with a stirring function according to claim 1, wherein: two material box blocking strips (12) are fixedly arranged on the top surface of the bottom plate (1), and the two material box blocking strips (12) are arranged in parallel and are contacted with two outer side walls of the material box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311664681.7A CN117464002A (en) | 2023-12-06 | 2023-12-06 | Quantitative powder feeding device with stirring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311664681.7A CN117464002A (en) | 2023-12-06 | 2023-12-06 | Quantitative powder feeding device with stirring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117464002A true CN117464002A (en) | 2024-01-30 |
Family
ID=89638086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311664681.7A Pending CN117464002A (en) | 2023-12-06 | 2023-12-06 | Quantitative powder feeding device with stirring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117464002A (en) |
-
2023
- 2023-12-06 CN CN202311664681.7A patent/CN117464002A/en active Pending
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