CN222138146U - A closed automatic feeding device - Google Patents
A closed automatic feeding device Download PDFInfo
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- CN222138146U CN222138146U CN202420849631.XU CN202420849631U CN222138146U CN 222138146 U CN222138146 U CN 222138146U CN 202420849631 U CN202420849631 U CN 202420849631U CN 222138146 U CN222138146 U CN 222138146U
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- tank
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- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 46
- 239000000843 powder Substances 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
本实用新型属于粉体上料技术领域，具体地说是一种封闭自动上料装置，包括上料罐；所述上料罐上固定连接有固定支架；所述固定支架上连接有上料筒；所述上料筒上固定连接有真空压缩机；通过真空压缩机将空气压缩进上料筒内，压缩的空气通过空气过滤板将压缩空气中的灰尘杂质过滤，当压缩空气供给上料筒时，上料筒内就产生负压形成真空气流，原料被吸入上料筒所连接的上料软管内，形成物气流，上料软管将原料到达上料筒内，再通过电磁阀控制原料的出料量，同时辅助装置带动上料罐内的原料，辅助上料软管给上料筒供给原料，进而完成上料，使得上料时进行封闭式上料减少原料分散在周围环境内，造成环境的污染。
The utility model belongs to the technical field of powder feeding, specifically a closed automatic feeding device, including a feeding tank; a fixed bracket is fixedly connected to the feeding tank; a feeding barrel is connected to the fixed bracket; a vacuum compressor is fixedly connected to the feeding barrel; air is compressed into the feeding barrel by the vacuum compressor, and the compressed air passes through an air filter plate to filter dust and impurities in the compressed air. When the compressed air is supplied to the feeding barrel, negative pressure is generated in the feeding barrel to form a vacuum airflow, and the raw materials are sucked into a feeding hose connected to the feeding barrel to form a material airflow. The feeding hose brings the raw materials to the feeding barrel, and then the discharge amount of the raw materials is controlled by an electromagnetic valve. At the same time, an auxiliary device drives the raw materials in the feeding tank, and the auxiliary feeding hose supplies the raw materials to the feeding barrel, thereby completing the feeding, so that closed feeding is performed during feeding to reduce the dispersion of raw materials in the surrounding environment and cause environmental pollution.
Description
Technical Field
The utility model relates to the technical field of powder feeding, in particular to a closed automatic feeding device.
Background
When the fine powder is used, the fine powder needs to be mixed with other raw materials, so that the fine powder needs to be fed into a device for mixing the fine powder with other raw materials, and the fine powder needs to be fully-automatically sealed and fed due to the small volume of the fine powder.
When powder material loading, need through the driving with the powder to the handling on the platform, through artifical reinforced, and there is danger when the driving is hung high, hang the dust in the sky and probably drop, the dust that drops takes place to disperse simultaneously, causes the dust to retrieve the degree of difficulty greatly, and the environment receives the influence.
When carrying out powder material loading among the prior art, handling to the platform with the powder through the driving generally, through artifical reinforced, the driving has danger in lifting the powder, and the dust is retrieved the degree of difficulty greatly, and the environment receives the influence, and then has caused very big inconvenience for powder material loading.
Therefore, a closed automatic feeding device is provided for solving the problems.
Disclosure of utility model
In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the utility model provides a closed automatic feeding device.
The technical scheme includes that the closed automatic feeding device comprises a feeding tank, a fixing support is fixedly connected to the feeding tank, a feeding cylinder is connected to the fixing support, a vacuum compressor is fixedly connected to the feeding cylinder, an air filter plate is lapped below the vacuum compressor and is fixed in the feeding cylinder, a feeding hose is fixedly connected to the feeding cylinder, an interface disc is connected to the other end of the feeding hose, a feeding port is connected to the interface disc, six bolts I are arranged on the feeding port, the interface disc is fixed to the feeding port through the bolts I, the feeding port is fixedly connected to the feeding tank, and an air inlet pipe is fixedly connected to the feeding tank.
The filter box comprises a box body, a first filter plate and a second filter plate are fixedly connected in the box body, an air outlet is fixedly connected to the box body, and an electromagnetic valve is fixedly connected to the bottom of the feeding cylinder.
Preferably, the first filter plate is made of ceramic particles, the second filter plate is made of activated carbon particles, and the box body is fixed on the feeding tank.
Preferably, the fixing support comprises a fixing frame, a sliding groove is formed in the fixing frame, a sliding block is connected in the sliding groove in a sliding mode, and the other end of the sliding block is fixedly connected to the upper charging barrel.
The feeding device comprises a feeding cylinder, a driving shaft is rotatably connected to the feeding cylinder, a dropping groove is formed in the feeding cylinder, the driving shaft is arranged in the dropping groove, a spiral blade is arranged on the driving shaft, and a bevel gear II is fixedly connected to the driving shaft.
The automatic feeding device comprises a feeding tank, a feeding cylinder, a driving motor, a transmission shaft, two fixing shafts, three stirring rods, a scraping plate, a bevel gear I and a bevel gear II, wherein the driving motor is fixedly connected to the feeding tank, the transmission shaft is fixedly connected to the driving motor, the transmission shaft is rotatably connected to the feeding cylinder, the transmission shaft is fixedly connected with the two fixing shafts, the three stirring rods are fixedly connected to the fixing shafts, the scraping plate is fixedly connected to the stirring rods, the bevel gear I is fixedly connected to the driving shaft, and the bevel gear I is meshed with the bevel gear II.
Preferably, the graduated scale is fixedly connected to the charging tank, the fixed support is fixedly connected to the bottom of the charging tank, and three anti-slip pads are fixedly connected to the fixed support.
The utility model has the advantages that:
1. According to the closed automatic feeding device, when feeding is performed, air is compressed into the feeding cylinder through the vacuum compressor, dust impurities in the compressed air are filtered through the air filter plate, when the compressed air is supplied to the feeding cylinder, negative pressure is generated in the feeding cylinder to form vacuum air flow, raw materials are sucked into the feeding hose connected with the feeding cylinder to form object air flow, the feeding hose enables the raw materials to reach the feeding cylinder, then the electromagnetic valve is used for controlling the discharging amount of the raw materials, meanwhile, the auxiliary device drives the raw materials in the feeding cylinder, the feeding hose is assisted to supply the raw materials to the feeding cylinder, and further feeding is completed, so that closed feeding is performed during feeding, the raw materials are dispersed in the surrounding environment to cause environmental pollution, and the problem that when powder is fed, travelling crane lifts the powder onto a platform and dangers exist in lifting the powder is solved.
2. According to the closed automatic feeding device, the raw material outlet is closed through the electromagnetic valve, the vacuum compressor is started to compress air, the air is filtered through the air filter plate, filtered vacuum compressed air enters the feeding cylinder, negative pressure is formed in the feeding cylinder, compressed air enters the feeding cylinder through the feeding hose connected with the feeding cylinder, the valve connected with the valve air inlet pipe is opened, the compressed air entering the feeding pipe extrudes the air with impurities in the feeding pipe into the filter box through the air inlet pipe, the air is filtered through the filter plate I and the filter plate II in the filter box, the impurities in the air in the feeding cylinder are adsorbed through the ceramic particles in the filter plate I and the activated carbon particles in the filter plate II, and the air in the feeding cylinder is discharged through the air outlet, so that the air in the feeding cylinder is purified, the raw materials are cleaner during feeding, and the practicability of the device is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a charging bucket structure in the utility model;
FIG. 3 is a schematic cross-sectional view of a charging bucket according to the present utility model;
FIG. 4 is a schematic view of an auxiliary device according to the present utility model;
FIG. 5 is a schematic diagram of a structure of a filter box according to the present utility model;
Fig. 6 is an enlarged view at a of fig. 2.
The device comprises a feeding tank 1, a fixed support 2, a fixed support 201, a fixed support 202, a sliding chute 203, a sliding block 3, a feeding cylinder 4, a vacuum compressor 5, an air filter plate 6, a solenoid valve 7, a feeding hose 8, an interface disc 9, a first bolt 10, a feeding hole 11, an auxiliary device 111, a driving shaft 112, a feeding cylinder 113, a dropping groove 114, a helical blade 115, a bevel gear II, 12, a driving motor 13, a driving shaft 14, a fixed shaft 15, a stirring rod 16, a scraping plate 17, an air inlet pipe 18, a valve 19, a filter box 191, a first filter plate 192, a second filter plate 193, an air outlet 194, a box 20, a fixed support 21, a non-slip mat 22, a graduated scale 23 and a bevel gear I.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-6, a closed automatic feeding device comprises a feeding tank 1; a fixed bracket 2 is fixedly connected to the feeding tank 1; the fixed support 2 is connected with a feeding cylinder 3, the feeding cylinder 3 is fixedly connected with a vacuum compressor 4, an air filter plate 5 is fixedly connected to the lower part of the feeding cylinder 1, the air filter plate 5 is fixed in the feeding cylinder 3, a feeding hose 7 is fixedly connected to the feeding cylinder 3, the other end of the feeding hose 7 is connected with a port disc 8, a feeding port 10 is connected to the port disc 8, six bolts 9 are arranged on the feeding port 10, the port disc 8 is fixed on the feeding port 10 through the bolts 9, the feeding port 10 is fixedly connected to the feeding cylinder 1, an air inlet pipe 17 is fixedly connected to the feeding cylinder 1, air is compressed into the feeding cylinder 3 through the vacuum compressor 4, dust impurities in the compressed air are filtered through the air filter plate 5, when the compressed air is supplied to the feeding cylinder 3, negative pressure is generated in the feeding cylinder 3, raw materials are sucked into the feeding hose 7 connected with the feeding cylinder 3, a material airflow is formed, the feeding port 7 is formed, the feeding cylinder 7 reaches the feeding cylinder 3 through the bolts 9, and the feeding cylinder 3 is controlled to reach the feeding cylinder 3, and the air inlet pipe is suspended in the feeding cylinder 3, and the air is suspended in the environment, and the raw materials are discharged into the environment, and the raw materials are polluted in the environment, and the environment is reduced, and the raw materials are conveyed to the environment, and the raw materials are suspended in the environment, and the environment and the raw materials are conveyed to the environment and the raw materials is conveyed by the raw materials is conveyed.
Further, as shown in fig. 1, 2 and 5, the valve 18 is detachably connected to the air inlet pipe 17, the filter box 19 is detachably connected to the bottom of the valve 18, the filter box 19 comprises a box 194, a first filter plate 191 and a second filter plate 192 are fixedly connected to the inside of the box 194, an air outlet 193 is fixedly connected to the box 194, the bottom of the upper filter cylinder 3 is fixedly connected with an electromagnetic valve 6, the first filter plate 191 is made of ceramic particles, the second filter plate 192 is made of activated carbon particles, the box 194 is fixed to the upper filter cylinder 1, a raw material outlet is closed through the electromagnetic valve 6, air is compressed by starting the vacuum compressor 4, air is filtered through the air filter plate 5, filtered vacuum compressed air enters the upper filter cylinder 3, negative pressure is formed in the upper filter cylinder 3 through the upper filter tube 7, compressed air enters the upper filter cylinder 1 through the upper filter tube 7, the valve 18 connected to the valve 17 is opened, the compressed air in the upper filter cylinder is discharged with the air in the upper filter cylinder through the first filter plate 17, the air with the impurities in the upper filter cylinder 1 is discharged through the first filter plate 19 and the second filter plate 192, and the impurities in the upper filter cylinder 1 are further purified through the filter plate 192 when the filtered impurities in the upper filter cylinder 1 are discharged through the first filter plate 19.
Further, as shown in fig. 1 and fig. 2, the fixing support 2 includes a fixing frame 201, a sliding groove 202 is formed in the fixing frame 201, a sliding block 203 is connected in the sliding groove 202 in a sliding manner, the other end of the sliding block 203 is fixedly connected to the feeding cylinder 3, through the arrangement of the fixing support 2, the sliding block 203 slides on the sliding groove 202 on the fixing frame 201, and then the feeding cylinder 3 connected with the sliding block 203 is driven to move, so that the distance between the feeding cylinder 3 and the feeding cylinder 1 is adjusted, and the feeding position of the feeding cylinder 3 is adjusted, so that feeding is more convenient.
Further, as shown in fig. 3 and 4, the feeding port 10 is connected with an auxiliary device 11, the auxiliary device 11 comprises a feeding cylinder 112, the feeding cylinder 112 is rotatably connected with a driving shaft 111, the feeding cylinder 112 is provided with a dropping groove 113, the driving shaft 111 is arranged in the dropping groove 113, the driving shaft 111 is provided with a spiral blade 114, the driving shaft 111 is fixedly connected with a bevel gear II 115, when the device is used, the auxiliary device 11 is arranged, an interface disc 8 connected with the feeding port 10 is detached through a bolt I9, an external pipeline is connected with the feeding port 10, a driving shaft 13 is driven by a driving motor 12 to rotate through a bevel gear I23, the driving shaft 111 connected with the bevel gear II 115 is driven by a driving shaft I23 to rotate, so that external raw materials enter the feeding cylinder 1 through the feeding port 10, and as mentioned above, the raw materials are driven by the spiral blade 114 during feeding, the raw materials are further assisted by a feeding hose 7 from the feeding cylinder 1 into the feeding cylinder 3, so that the raw materials are faster during feeding, and the feeding efficiency is improved.
Further, as shown in fig. 3, the feeding tank 1 is fixedly connected with a driving motor 12, the driving motor 12 is fixedly connected with a transmission shaft 13, the transmission shaft 13 is rotatably connected with the feeding tank 3, the transmission shaft 13 is fixedly connected with two fixed shafts 14, the fixed shafts 14 are fixedly connected with three stirring rods 15, the stirring rods 15 are fixedly connected with scraping plates 16, the driving shaft 111 is fixedly connected with a bevel gear I23, the bevel gear I23 is meshed with a bevel gear II 115, during feeding, the driving motor 12 drives the transmission shaft 13 to rotate, the transmission shaft 13 drives the stirring rods 15 fixedly connected with the fixed shafts 14 to rotate, so that the stirring rods 15 stir powder raw materials, the condition that the powder raw materials are blocked by the feeding hose 7 due to the blocking of the powder raw materials in the feeding tank 1 is reduced, the quality of the powder raw materials during feeding is influenced, and during cleaning, the scraping plates 16 connected with the stirring rods 15 scrape the inner wall of the feeding tank 1, and the residual raw materials on the inner wall of the feeding tank 1 are reduced.
Further, as shown in fig. 1 and 2, a scale 22 is fixedly connected to the charging bucket 1, a fixed support 20 is fixedly connected to the bottom of the charging bucket 1, three anti-slip pads 21 are fixedly connected to the fixed support 20, raw material conditions in the charging bucket 1 are observed at any time through the scale 22 by arranging the scale 22 and the anti-slip pads 21, and the anti-slip pads 21 prevent the device from moving greatly when in use, so that the operation of the device is influenced, and the stability of the device is improved.
According to the working principle, when the feeding device is in operation, air is compressed into the feeding cylinder 3 through the vacuum compressor 4, dust and impurities in the compressed air are filtered through the air filtering plate 5, when the compressed air is supplied to the feeding cylinder 3, negative pressure is generated in the feeding cylinder 3 to form vacuum airflow, raw materials are sucked into the feeding hose 7 connected with the feeding cylinder 3 to form airflow, the feeding hose 7 enables the raw materials to reach the feeding cylinder 3, then the electromagnetic valve 6 controls the discharging amount of the raw materials, meanwhile, the auxiliary device 11 drives the raw materials in the feeding cylinder 1, the auxiliary feeding hose 7 supplies the raw materials to the feeding cylinder 3, further, feeding is completed, so that closed feeding is performed during feeding, the raw materials are reduced to be dispersed in the surrounding environment, environmental pollution is caused, the problem that when the powder is fed, the travelling crane lifts the powder onto a platform, dangerously exists during lifting the powder is solved, the raw material outlet is closed through the electromagnetic valve 6, the vacuum compressor 4 is started to compress air, the air is filtered by the air filter plate 5, the filtered vacuum compressed air enters the feeding cylinder 3 to form negative pressure in the feeding cylinder 3, the compressed air enters the feeding cylinder 1 through the feeding hose 7 connected with the feeding cylinder 3, the valve 18 connected with the air inlet pipe 17 of the valve 18 is opened, the air with impurities in the feeding pipe is extruded by the compressed air entering the feeding pipe and discharged into the filter box 19 through the air inlet pipe 17, the air is filtered by the filter plate I191 and the filter plate II 192 in the filter box 19, the ceramic particles in the filter plate I191 and the activated carbon particles in the filter plate II 192 adsorb the impurities in the air in the feeding cylinder 1, the air is discharged through the air outlet 193, and the air in the feeding cylinder 1 is purified to ensure that the raw materials are cleaner during feeding, thereby improving the practicality of the device, through setting up fixed bolster 2, slide through slider 203 in mount 201 upper chute 202, and then drive the last feed cylinder 3 that slider 203 connects and remove, and then adjust the interval of last feed cylinder 3 from last feed cylinder 1, last feed cylinder 3 adjusts the material loading position, make it is more convenient during the material loading, through setting up auxiliary device 11, when using the device, interface dish 8 that is connected with feed inlet 10 through bolt one 9 is detached, through inserting the external pipeline into feed inlet 10, drive transmission shaft 13 through driving motor 12, drive transmission shaft 13 through bevel gear one 23 drive bevel gear two 115 connect the drive shaft 111 rotatory, and then drive helical blade 114 is rotatory, make external raw materials get into in the feed cylinder 1 through feed inlet 10, as mentioned above, drive the raw materials through helical blade 114 during the material loading, and then supplementary material hose 7 gets into in the last feed cylinder 3 with raw materials from last feed cylinder 1, make the material more accelerate during the material loading, improve the efficiency of material loading, during the time, drive transmission shaft 12 rotation through driving motor 12, drive fixed shaft 13 fixed connection's stirring rod 15 rotation, make stirring rod 15 drive fixed connection's the fixed shaft 15, when the material loading end stop-up, the material stop-up device takes place in the scale 21 is realized through the inside the scale, the scale 21 is passed through the upper end of the scale, the scale is passed through in the scale 21 or the scale is passed through to the scale, the condition of the scale is realized, and the scale is realized, the inside the scale is cut down, the scale is realized, and the quality is further is prevented from the inside the scale is realized, and the scale is cut down, and is cut down, the inside the scale is or is connected through the scale device, and is passed through the scale 21, and is further the scale-down device, and is used, and is clean, and is up, and is further the scale device, and is attached, and is dry and is attached, and is according. The stability of the device is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. A closed automatic feeding device comprises a feeding tank (1), and is characterized in that a fixing support (2) is fixedly connected to the feeding tank (1), a feeding cylinder (3) is connected to the fixing support (2), a vacuum compressor (4) is fixedly connected to the feeding cylinder (3), an air filter plate (5) is lapped below the vacuum compressor (4), the air filter plate (5) is fixed in the feeding cylinder (3), a feeding hose (7) is fixedly connected to the feeding cylinder (3), an interface disc (8) is connected to the other end of the feeding hose (7), a feeding port (10) is connected to the interface disc (8), six bolts (9) are arranged on the feeding port (10), the interface disc (8) is fixedly connected to the feeding port (10) through the bolts (9), the feeding port (10) is fixedly connected to the feeding tank (1), and an air inlet pipe (17) is fixedly connected to the feeding tank (1).
2. The closed automatic feeding device is characterized in that a valve (18) is detachably connected to the air inlet pipe (17), a filter box (19) is detachably connected to the bottom of the valve (18), the filter box (19) comprises a box body (194), a first filter plate (191) and a second filter plate (192) are fixedly connected to the box body (194), an air outlet (193) is fixedly connected to the box body (194), and an electromagnetic valve (6) is fixedly connected to the bottom of the feeding barrel (3).
3. The closed automatic feeding device according to claim 2, wherein the first filter plate (191) is made of ceramic particles, the second filter plate (192) is made of activated carbon particles, and the box (194) is fixed on the feeding tank (1).
4. The closed automatic feeding device is characterized in that the fixed support (2) comprises a fixed support (201), a sliding groove (202) is formed in the fixed support (201), a sliding block (203) is connected in a sliding mode in the sliding groove (202), and the other end of the sliding block (203) is fixedly connected to the upper feeding cylinder (3).
5. The closed automatic feeding device is characterized in that an auxiliary device (11) is connected to the feeding port (10), the auxiliary device (11) comprises a feeding cylinder (112), a driving shaft (111) is rotatably connected to the feeding cylinder (112), a dropping groove (113) is formed in the feeding cylinder (112), the driving shaft (111) is arranged in the dropping groove (113), a spiral blade (114) is arranged on the driving shaft (111), and a bevel gear II (115) is fixedly connected to the driving shaft (111).
6. The closed automatic feeding device is characterized in that a driving motor (12) is fixedly connected to the feeding tank (1), a transmission shaft (13) is fixedly connected to the driving motor (12), the transmission shaft (13) is rotatably connected to the feeding tank (3), two fixed shafts (14) are fixedly connected to the transmission shaft (13), three stirring rods (15) are fixedly connected to the fixed shafts (14), a scraping plate (16) is fixedly connected to the stirring rods (15), a first bevel gear (23) is fixedly connected to the driving shaft (111), and the first bevel gear (23) is in meshed connection with the second bevel gear (115).
7. The closed automatic feeding device is characterized in that a graduated scale (22) is fixedly connected to the feeding tank (1), a fixed support (20) is fixedly connected to the bottom of the feeding tank (1), and three anti-slip pads (21) are fixedly connected to the fixed support (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420849631.XU CN222138146U (en) | 2024-04-23 | 2024-04-23 | A closed automatic feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420849631.XU CN222138146U (en) | 2024-04-23 | 2024-04-23 | A closed automatic feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222138146U true CN222138146U (en) | 2024-12-10 |
Family
ID=93739718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420849631.XU Active CN222138146U (en) | 2024-04-23 | 2024-04-23 | A closed automatic feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222138146U (en) |
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2024
- 2024-04-23 CN CN202420849631.XU patent/CN222138146U/en active Active
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