CN113734484A - Material feeding metering device - Google Patents
Material feeding metering device Download PDFInfo
- Publication number
- CN113734484A CN113734484A CN202111176059.2A CN202111176059A CN113734484A CN 113734484 A CN113734484 A CN 113734484A CN 202111176059 A CN202111176059 A CN 202111176059A CN 113734484 A CN113734484 A CN 113734484A
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- Prior art keywords
- hopper
- weighing
- supplement
- micro
- metering
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
- B65B1/34—Adjusting weight by trickle feed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/54—Means for supporting containers or receptacles during the filling operation
Abstract
The invention discloses a material feeding metering device, and belongs to the field of material feeding metering. The automatic packaging bag weighing device comprises at least one volume target hopper and a plurality of micro-supplement hoppers, wherein reciprocating type translation material bins for filling materials for the volume target hopper and the micro-supplement hoppers are arranged above the volume target hopper and the micro-supplement hoppers, openable first control plates are arranged at blanking ports of the volume target hopper and the micro-supplement hoppers, weighing and metering hoppers are arranged below blanking ports of the volume target hopper and the micro-supplement hoppers, first weighing sensors are arranged on the weighing and metering hoppers, openable second control plates are arranged at blanking ports of the weighing and metering hoppers, and bag clamping devices for clamping packaging bags are arranged below the blanking ports of the weighing and metering hoppers. When the materials are packaged in bags, the materials are fed through the volume target hopper, and the feeding of the volume target hopper is added and adjusted through the materials in the plurality of micro supplement hoppers, so that the weight closest to a target value is finally formed, and the feeding precision and speed are improved.
Description
Technical Field
The invention relates to the field of material feeding and metering, in particular to a material feeding and metering device.
Background
When powdery, granular and small block materials are packaged in bags, feeding and metering are needed, the conventional feeding and metering device has the modes of spiral feeding, vibration feeding, scraper conveying feeding, gravity feeding and the like, but the feeding mode cannot realize accurate metering at present, so that the weight of each bag of products cannot be accurately controlled during bag packaging.
Disclosure of Invention
The invention provides a material feeding metering device, which improves the feeding precision.
The technical scheme provided by the invention is as follows:
a material feed metering device comprising at least one volumetric target hopper and a plurality of micro-replenishment hoppers, wherein:
reciprocating translation bins for filling materials for the volume target hopper and the trace supplement hopper are arranged above the volume target hopper and the trace supplement hopper, openable first control plates are arranged at blanking ports of the volume target hopper and the trace supplement hopper, weighing and metering hoppers are arranged below blanking ports of the volume target hopper and the trace supplement hopper, a first weighing sensor is arranged on the weighing and metering hoppers, openable second control plates are arranged at blanking ports of the weighing and metering hoppers, and bag clamping devices for clamping packaging bags are arranged below the blanking ports of the weighing and metering hoppers;
the total weight of the materials contained in all the volume target hoppers is less than or equal to the rated weight of the packaging bag, and the total weight of the materials contained in all the volume target hoppers and all the micro supplement hoppers is greater than the rated weight of the packaging bag;
the first weighing sensor is connected with the controller, the weighing and metering hopper receives the material falling from the volume target hopper and weighs for the first time through the material in the first weighing sensor weighing hopper, the controller calculates a first difference value according to the rated weight of the packaging bag and the weight of the material weighed for the first time in the weighing hopper, the controller finds out a first combination of the micro-supplement hopper according to the first difference value, the sum of the weight of the materials contained in the first combination of the micro-supplement hopper is closest to the first difference value, a first control panel of the first combination of the micro-supplement hopper is opened, and the material is supplemented into the weighing and metering hopper through the first combination of the micro-supplement hopper.
Further, after the materials are supplemented into the weighing and metering hopper through the first combination of the micro supplement hopper, the second control panel is opened, so that the materials in the weighing and metering hopper fall into the packaging bag;
or after materials are supplemented into the weighing and metering hopper through the first combination of the micro supplement hopper, weighing the materials in the weighing and metering hopper for the second time through the first weighing sensor; the controller calculates the second difference according to the rated weight of wrapping bag and the weight that the interior material of weighing hopper weighed for the second time, if the second difference is in the maximum allowable error range of wrapping bag, then open the second control panel for the material in the weighing hopper falls in to the wrapping bag, otherwise the controller basis the second combination of trace supplementary fill is found out to the second difference, the material weight sum that the second combination of trace supplementary fill held is closest to the second difference, opens the first control panel of the second combination of trace supplementary fill, through the second combination of trace supplementary fill is to the interior supplementary material of weighing hopper.
Furthermore, a receiving container is arranged below the blanking port of the micro supplement hopper, a second weighing sensor is arranged on the receiving container, and the receiving container is connected with a driving device for driving the receiving container to unload materials.
Furthermore, reciprocating type translation feed bin top is provided with former feed bin, former feed bin and reciprocating type translation feed bin pass through a flexible connection structure and connect.
Furthermore, the volume target hopper, the micro-supplement hopper and the raw material bin are arranged on a main frame, one end of the first weighing sensor is arranged on the main frame, the other end of the first weighing sensor is connected with the weighing and metering hopper, one end of the second weighing sensor is arranged on the main frame, and the other end of the second weighing sensor is connected with the receiving container.
Furthermore, the weight of the materials contained in the micro supplement hoppers is increased from small to large according to a set multiple, and the weight of the materials contained in the smallest micro supplement hopper is half of the maximum allowable error range of the packaging bag; wherein the set multiple is more than one time and less than or equal to two times.
Further, the weight of the materials contained in the micro-supplement hoppers is increased from small to large by two times.
Furthermore, the volume target hopper and the micro-supplement hopper both comprise inner pipes and outer pipes located below the inner pipes and sleeved on the peripheries of the inner pipes, the inner pipes and the outer pipes can be adjusted in the up-down direction, and sealing rubber rings are arranged between the inner pipes and the outer pipes.
Furthermore, the outer pipe is provided with an adjusting ring, the adjusting ring is sleeved on the adjusting column, and the adjusting column is provided with a locking bolt for locking the position of the adjusting ring.
Further, the reciprocating translation bin is mounted on a slide way through a pulley and driven by an air cylinder to translate along the slide way in a reciprocating mode.
Further, a second flexible connecting structure is arranged between the blanking port of the weighing and metering hopper and the bag clamping device; the first control plate and the second control plate are driven by an air cylinder.
The invention has the following beneficial effects:
when the materials are packaged in bags, the materials are fed through the volume target hopper, and the feeding of the volume target hopper is added and adjusted through the materials in the plurality of micro supplement hoppers, so that the weight closest to a target value is finally formed, and the feeding precision and speed are improved.
Drawings
FIG. 1 is a front view of the material feed metering device of the present invention;
FIG. 2 is a side view of the material feed metering device of the present invention;
FIG. 3 is a top view of the material feed metering device of the present invention;
FIG. 4 is a front view of the volume target bucket/micro make-up bucket;
FIG. 5 is a right side view of the volume target bucket/micro make-up bucket;
fig. 6 is a schematic view of the receiving container.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a material feeding and metering device, as shown in fig. 1-6, comprising at least one volume target bucket 9 and a plurality of micro-supplement buckets 10, wherein the volume target bucket 9 and the micro-supplement buckets 10 are installed on a main frame 1, and the material feeding and metering device comprises:
the reciprocating type translation bin 4 for filling materials into the volume target bucket 9 and the trace supplement bucket 10 is arranged above the volume target bucket 9 and the trace supplement bucket 10, the feeding openings of the volume target bucket 9 and the trace supplement bucket 10 are respectively provided with a first control plate 14 which can be opened and closed, the first control plates 14 are driven to be opened and closed through cylinders 15, and the cylinders 15 are installed on the main frame 1 through cylinder supports 16.
And a weighing and metering hopper 23 is arranged below the blanking ports of the volume target hopper 9 and the micro supplement hopper 10, a first weighing sensor is arranged on the weighing and metering hopper 23, one end of the first weighing sensor is arranged on the main frame 1, and the other end of the first weighing sensor is connected with the weighing and metering hopper 23 and is used for measuring the weight of materials in the weighing and metering hopper 23.
The second control panel 30 which can be opened and closed is arranged at the blanking port 24 of the weighing and metering hopper 23, the second control panel 30 is driven to be opened and closed through the air cylinder 25, and the bag clamping device 27 used for clamping the packaging bags is arranged below the blanking port 24 of the weighing and metering hopper 23.
The volume target buckets may be one or more, for example, two, etc., and the drawings of the present invention illustrate one volume target bucket as an example. The total weight of the materials contained in all the volume target hoppers 9 is less than or equal to the rated weight of the packaging bag, and the total weight of the materials contained in all the volume target hoppers 9 and all the micro supplement hoppers 10 is more than the rated weight of the packaging bag.
When the material separating device is used, materials enter the reciprocating type translation stock bin 4, the reciprocating type translation stock bin 4 translates to the position above the volume target bucket 9 and the trace supplement bucket 10 under the action of power, the materials are filled into the volume target bucket 9 and the trace supplement bucket 10 from the reciprocating type translation stock bin 4, after the volume target bucket 9 and the trace supplement bucket 10 are filled with the materials, the reciprocating type translation stock bin 4 is moved away under the action of the power, and the materials in the reciprocating type translation stock bin 4 are separated from the volume target bucket 9 and the trace supplement bucket 10. The reciprocating translation stock bin 4 translates for one cycle, and the volume target bucket 9 and the micro supplement bucket 10 are filled once.
The first control panel 14 of the volume target bucket 9 is opened, so that the material in the volume target bucket 9 directly falls into the weighing hopper 23 through the blanking port of the volume target bucket 9, and the weighing hopper 23 receives the falling material of the volume target bucket 9.
The first weighing sensor is connected with the controller, the materials in the weighing and metering hopper 23 are weighed for the first time through the first weighing sensor, a first difference value is calculated by the controller according to the rated weight of the packaging bag and the first weighing weight of the materials in the weighing and metering hopper 23, the first combination of the micro-supplement hopper 10 is found out by the controller according to the first difference value, the sum of the weights of the materials contained in the first combination of the micro-supplement hopper 10 is closest to the first difference value, the first control panel 14 of the first combination of the micro-supplement hopper 10 is opened, and the materials are supplemented into the weighing and metering hopper 23 through the first combination of the micro-supplement hopper 10. The difference between the material in the weighing hopper 23 and the rated weight of the packaging bag is replenished by the number closest to the replenishing difference in the combination of the weights in the micro replenishment hopper 10, and the final number of measurements is made closest to the set target value (i.e., the rated weight of the packaging bag).
Taking four micro-supplement hoppers as an example, assuming that the rated weight of a packaging bag is 10 kilograms, the material in a volume target hopper is 9.98 kilograms, the weight of the material in the micro-supplement hoppers is 0.01, 0.02, 0.04 and 0.08 kilograms respectively, and then the difference of 0.02 kilogram is directly supplemented by the material in the micro-supplement hoppers of 0.02 kilogram; if the unloading of the volume target bucket is 9.97 kilograms, the material is supplemented by the combined weight of two micro supplement buckets with the weights of 0.01 kilogram and 0.02 kilogram, and if the unloading of the volume target bucket is 9.95 kilograms, the material is supplemented by the combined weight of the micro supplement buckets with the weights of 0.01 kilogram and 0.04 kilogram.
After the bag clamping device 27 receives the bag sleeving signal, the bag clamping opening is opened, the second control panel 30 is opened, all the materials in the weighing and metering hopper 23 are conveyed into the packaging bag, and then the next packaging link is carried out, and the like.
When the materials are packaged in bags, the materials are fed through the volume target hopper, and the feeding of the volume target hopper is added and adjusted through the materials in the plurality of micro supplement hoppers, so that the weight closest to a target value is finally formed, and the feeding precision and speed are improved.
As described above, after the materials are supplied into the weighing hopper 23 by the first combination of the micro-supply hoppers 10, the second control plate 30 can be opened to allow the materials in the weighing hopper 23 to fall into the packaging bag.
Or, after the materials are supplemented into the weighing and metering hopper through the first combination of the micro-supplement hoppers, the second control board 30 is not directly opened, but the materials in the weighing and metering hopper 23 are weighed again, and the materials are supplemented again through the micro-supplement hoppers according to the weighing result, so that the metering precision can be improved, and the method specifically comprises the following steps:
weighing the material in the weighing and metering hopper 23 for the second time through the first weighing sensor; the controller calculates a second difference value according to the rated weight of the packaging bag and the second weighing weight of the materials in the weighing hopper 23, if the second difference value is within the maximum allowable error range of the packaging bag, the second control board is opened, the materials in the weighing hopper 23 fall into the packaging bag, otherwise, the controller finds out a second combination of the micro-supplement hoppers 10 according to the second difference value, the sum of the weights of the materials contained in the second combination of the micro-supplement hoppers 10 is closest to the second difference value, the first control board 14 of the second combination of the micro-supplement hoppers 10 is opened, and the materials are supplemented into the weighing hopper 23 through the second combination of the micro-supplement hoppers 10.
In order to further improve the precision, a receiving container 20 is arranged below the blanking port of the micro supplement hopper 10, a second weighing sensor 21 is arranged on the receiving container 20, the second weighing sensor 21 is mounted on a sensor support 22, one end of the sensor support 22 is arranged on the main frame 1, and the other end of the sensor support 22 is connected with the receiving container 20 and used for measuring the weight of the material in the receiving container 20.
The receiving container 20 is connected with a driving device for driving the receiving container 20 to unload materials, the driving device can be an air cylinder or a motor, and the air cylinder or the motor controls the receiving container 20 to rotate 180 degrees to unload materials.
The materials in the micro-supplement hopper 10 firstly fall into the receiving container 20, are weighed by the second weighing sensor 21, and then are discharged by the driving device driving the receiving container 20, so that the precisely metered materials fall into the weighing hopper 23.
For making things convenient for the feed, reciprocating type translation feed bin 4 top is provided with former feed bin 2, and former feed bin 2 is installed on main frame 1, and former feed bin 2 is connected through first flexible connection structure 3 with reciprocating type translation feed bin 4.
The material is poured into the raw material bin 2, and the material enters the reciprocating type translation bin 4 through the raw material bin 2 and the first flexible connection structure 3.
In the invention, the capacity of the volume target bucket 9 is determined according to the rated weight of the packaging bag, the weight of the materials contained in the plurality of micro supplement buckets 10 is increased progressively from small to large according to a set multiple, and the weight of the materials contained in the smallest micro supplement bucket 10 is half of the maximum allowable error range of the packaging bag; the set multiple is greater than one time and less than or equal to two times, for example, 1.8 times, 1.9 times, 2 times, and the like.
Preferably, the set multiple is two times, and the weight of the material contained in the micro-replenishment buckets is increased from small to large by two times.
The capacity of the volume target bucket 9 and the capacity of the micro-supplement bucket 10 are adjustable, the volume target bucket 9 and the micro-supplement bucket 10 respectively comprise an inner tube 11 and an outer tube 12 which is positioned below the inner tube 11 and is sleeved on the periphery of the inner tube 11, and the inner tube 11 and the outer tube 12 can be adjusted in the vertical direction, so that the capacity of the volume target bucket 9 and the capacity of the micro-supplement bucket 10 are adjustable. A sealing rubber ring 13 is arranged between the inner pipe 11 and the outer pipe 12.
The outer tube 12 is provided with an adjusting ring 17, the adjusting ring 17 is sleeved on an adjusting column 18, the adjusting column 18 is installed on the main frame 1, and the adjusting column 18 is provided with a locking bolt 19 for locking the position of the adjusting ring 17.
In order to realize the translation of the reciprocating translation bin, the reciprocating translation bin 4 is installed on a slide rail 6 through a pulley 5 and is driven by a cylinder 8 to translate back and forth along the slide rail, and the cylinder 8 is installed on the main frame 1 through a cylinder support 7.
A second flexible connecting structure 29 is arranged between the blanking port 24 of the weighing and metering hopper 23 and the bag clamping device 27, an air cylinder 26 is mounted on the second flexible connecting structure 29, an air cylinder support 28 for the air cylinder 26 is mounted on the second flexible connecting structure 29, and the bag clamping device 27 is mounted at the lower port of the second flexible connecting structure 29.
The materials pass through the second soft connection structure 29, and the materials in the gravity weighing hopper 23 are all conveyed into the packaging bag under the action of the air cylinder 26.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. A material feeding and metering device is characterized by comprising at least one volume target bucket and a plurality of micro supplement buckets, wherein:
reciprocating translation bins for filling materials for the volume target hopper and the trace supplement hopper are arranged above the volume target hopper and the trace supplement hopper, openable first control plates are arranged at blanking ports of the volume target hopper and the trace supplement hopper, weighing and metering hoppers are arranged below blanking ports of the volume target hopper and the trace supplement hopper, a first weighing sensor is arranged on the weighing and metering hoppers, openable second control plates are arranged at blanking ports of the weighing and metering hoppers, and bag clamping devices for clamping packaging bags are arranged below the blanking ports of the weighing and metering hoppers;
the total weight of the materials contained in all the volume target hoppers is less than or equal to the rated weight of the packaging bag, and the total weight of the materials contained in all the volume target hoppers and all the micro supplement hoppers is greater than the rated weight of the packaging bag;
the first weighing sensor is connected with the controller, the weighing and metering hopper receives the material falling from the volume target hopper and weighs for the first time through the material in the first weighing sensor weighing hopper, the controller calculates a first difference value according to the rated weight of the packaging bag and the weight of the material weighed for the first time in the weighing hopper, the controller finds out a first combination of the micro-supplement hopper according to the first difference value, the sum of the weight of the materials contained in the first combination of the micro-supplement hopper is closest to the first difference value, a first control panel of the first combination of the micro-supplement hopper is opened, and the material is supplemented into the weighing and metering hopper through the first combination of the micro-supplement hopper.
2. The material feeding and metering device of claim 1, wherein after the materials are supplemented into the weighing and metering hopper through the first combination of the micro supplement hoppers, the second control board is opened, so that the materials in the weighing and metering hopper fall into the packaging bag;
or after materials are supplemented into the weighing and metering hopper through the first combination of the micro supplement hopper, weighing the materials in the weighing and metering hopper for the second time through the first weighing sensor; the controller calculates the second difference according to the rated weight of wrapping bag and the weight that the interior material of weighing hopper weighed for the second time, if the second difference is in the maximum allowable error range of wrapping bag, then open the second control panel for the material in the weighing hopper falls in to the wrapping bag, otherwise the controller basis the second combination of trace supplementary fill is found out to the second difference, the material weight sum that the second combination of trace supplementary fill held is closest to the second difference, opens the first control panel of the second combination of trace supplementary fill, through the second combination of trace supplementary fill is to the interior supplementary material of weighing hopper.
3. A material feeding and metering device as claimed in claim 1 or 2, wherein a receiving container is arranged below the blanking port of the micro supplement hopper, the receiving container is positioned above the weighing and metering hopper, a second weighing sensor is arranged on the receiving container, and the receiving container is connected with a driving device for driving the receiving container to unload materials.
4. A material feeding and metering device as claimed in claim 3, wherein a material bin is arranged above the reciprocating translational bin, and the material bin and the reciprocating translational bin are connected through a first flexible connecting structure.
5. A material feeding and metering device as claimed in claim 4, wherein the volume target hopper, the micro replenishment hopper and the raw material bin are mounted on a main frame, one end of the first weighing sensor is arranged on the main frame, the other end of the first weighing sensor is connected with the weighing and metering hopper, one end of the second weighing sensor is arranged on the main frame, and the other end of the second weighing sensor is connected with the receiving container.
6. The material feeding and metering device as claimed in claim 1 or 2, wherein the weight of the materials contained in the plurality of micro-supplement hoppers is increased from small to large according to a set multiple, and the weight of the materials contained in the smallest micro-supplement hopper is half of the maximum allowable error range of the packaging bag; wherein the set multiple is more than one time and less than or equal to two times.
7. A material feed metering device as set forth in claim 6 wherein the plurality of micro-hoppers hold material of a weight which increases by a factor of two from as little as possible to as much as possible.
8. A material feeding and metering device as claimed in claim 1 or 2, wherein the volume target hopper and the micro-supplement hopper each comprise an inner tube and an outer tube which is positioned below the inner tube and is sleeved on the periphery of the inner tube, the inner tube and the outer tube can be adjusted in the up-down direction, and a sealing rubber ring is arranged between the inner tube and the outer tube.
9. A material feeding and metering device as claimed in claim 8, wherein the outer tube is provided with an adjusting ring which is sleeved on the adjusting post, and the adjusting post is provided with a locking bolt for locking the position of the adjusting ring.
10. A material feed metering device as claimed in claim 1 or claim 2, wherein the reciprocating translational bin is mounted on a slideway by a pulley and is driven by a cylinder to translate reciprocally along the slideway.
11. A material feeding and metering device as claimed in claim 1 or 2, wherein a second flexible connecting structure is arranged between the blanking port of the weighing and metering hopper and the bag clamping device; the first control plate and the second control plate are driven by an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176059.2A CN113734484A (en) | 2021-10-09 | 2021-10-09 | Material feeding metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176059.2A CN113734484A (en) | 2021-10-09 | 2021-10-09 | Material feeding metering device |
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| CN113734484A true CN113734484A (en) | 2021-12-03 |
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|---|---|---|---|
| CN202111176059.2A Pending CN113734484A (en) | 2021-10-09 | 2021-10-09 | Material feeding metering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537731A (en) * | 2022-03-28 | 2022-05-27 | 合肥宣阳视觉传感器技术有限公司 | Seed packagine machine of online real-time correction |
| CN117228031A (en) * | 2023-11-15 | 2023-12-15 | 秦皇岛三农现代化机械设备有限公司 | Rotary material feeding metering device |
-
2021
- 2021-10-09 CN CN202111176059.2A patent/CN113734484A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537731A (en) * | 2022-03-28 | 2022-05-27 | 合肥宣阳视觉传感器技术有限公司 | Seed packagine machine of online real-time correction |
| CN117228031A (en) * | 2023-11-15 | 2023-12-15 | 秦皇岛三农现代化机械设备有限公司 | Rotary material feeding metering device |
| CN117228031B (en) * | 2023-11-15 | 2024-01-26 | 秦皇岛三农现代化机械设备有限公司 | Rotary material feeding metering device |
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