CN107244435A - Autofeed weighing device and Weighing method - Google Patents
Autofeed weighing device and Weighing method Download PDFInfo
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- CN107244435A CN107244435A CN201710644440.4A CN201710644440A CN107244435A CN 107244435 A CN107244435 A CN 107244435A CN 201710644440 A CN201710644440 A CN 201710644440A CN 107244435 A CN107244435 A CN 107244435A
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- weighing device
- weighing
- autofeed
- feed
- feed hopper
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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
-
- 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
- B65B1/08—Methods of, or means for, filling the material into the containers or receptacles by vibratory feeders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The present invention discloses a kind of autofeed weighing device and Weighing method, the autofeed weighing device, including material weighing device, feed hopper, mobile door assembly, vibra feeder and controller.The material weighing device includes bucket；The feed hopper is located at the top of the bucket, and the upper end of the feed hopper is provided with charging aperture, and the side wall of the feed hopper is provided with sub-material mouthful, and the lower end of the feed hopper is provided with the discharging opening being used to the bucket feeding；The mobile door assembly is movably arranged at the feed hopper, the aperture to adjust the discharging opening；Vibra feeder has located at the material receiving port of the lower section of the sub-material mouthful and to the feeding port to the bucket feeding；The controller is electrically connected with the material weighing device, mobile door assembly and vibra feeder, and the mobile door assembly and vibra feeder are controlled according to the weighing result of the material weighing device.
Description
Technical field
The present invention relates to mechanical equipment technical field, more particularly to a kind of autofeed weighing device and Weighing method.
Background technology
As modern packaging technology is increasingly fast-developing, the package handling of all kinds of articles all uses automatic packaging machinery mostly
Or automatic packaging production line is completed.But the industry such as grain and feed is still wrapped using manual or semiautomatic equipment at present
Dress, the sack packaging of such as 25~50kg magnitudes, not only labor strength is big but also accuracy of packaging is also difficult to be guaranteed.
The content of the invention
The main object of the present invention is to propose a kind of autofeed weighing device and Weighing method, it is intended to solve prior art
The accuracy of packaging such as middle grain and feed is difficult to while the problem of being guaranteed with packaging speed.
To achieve the above object, a kind of autofeed weighing device proposed by the present invention, including：
Material weighing device, including bucket；
Feed hopper, positioned at the top of the bucket, the upper end of the feed hopper is provided with charging aperture, the side of the feed hopper
Wall is provided with sub-material mouthful, and the lower end of the feed hopper is provided with the discharging opening being used to the bucket feeding；
Mobile door assembly, is movably arranged at the feed hopper, the aperture to adjust the discharging opening；
Vibra feeder, with the material receiving port located at the lower section of the sub-material mouthful and to the bucket feeding
Feeding port；And,
Controller, is electrically connected with the material weighing device, mobile door assembly and vibra feeder, is filled according to the weighing
The weighing result put controls the mobile door assembly and vibra feeder.
It is preferred that, the mobile door assembly includes：
Drive device, installed in the side wall of the feed hopper；
Dodge gate, covers the discharging opening and sets；And,
Transmission mechanism, the drive device that is connected and the dodge gate.
It is preferred that, the drive device is triple-travel cylinder.
It is preferred that, the dodge gate is provided with：Feed well；Adjustable skid, can adjust and be arranged on the dodge gate, to adjust
Save the aperture of the feed well.
It is preferred that, the adjustable skid offers mounting hole；The dodge gate is provided with the spiral shell installed for the mounting hole
Bar and the outer end of the screw rod is screwed onto with the locking nut of the fixed adjustable skid.
It is preferred that, the feed hopper has：
First skew wall, the inclination angle of first skew wall is α；And,
Second skew wall, is oppositely arranged with first skew wall, and the inclination angle of second skew wall is β, α ＞ β, and described second
The lower end of lower end first skew wall of skew wall is low.
It is preferred that, in addition to：
Sub-feed tube, is arranged between the sub-material mouthful and the material receiving port, will be led from the material of the sub-material mouthful output
Enter to the vibra feeder.
It is preferred that, the bucket is provided with weighing sensor, and the weighing sensor supports and weighs the bucket
And the weight of material.
It is preferred that, level sensor is additionally provided with the feed hopper, the controller is connected with the level sensor, used
Controlled with the material position value detected according to the level sensor.
Based on same inventive concept, the present invention also provides a kind of weighing side using above-mentioned autofeed weighing device
Method, including：
The dodge gate is opened into first position so that the discharge outlet is in quick feed；
The dodge gate is opened into second by the weight for accounting for material to be weighed when the quick feed than 65%~85%
Put so that the discharge outlet is fed in middling speed；
When the middling speed is fed the weight for accounting for material to be weighed than 13~29%, the dodge gate is opened into the 3rd
Put so that the discharge outlet is in being fed at a slow speed；
When the feed at a slow speed accounts for the weight of material to be weighed than 2~5%, and the meausring apparatus claims the weight that must be expected small
When target weight, vibra feeder compensation feed is opened until reaching target weight.
In the technical scheme that the present invention is provided, most of material to be weighed is weighed by bucket, a small amount of material is by shaking
Material is slowly sent to feeding port by dynamic dispenser, and is entered in bucket, wherein, discharging opening is adjusted by mobile door assembly
Aperture and several times feeding, such as feeding in three times, quick feeding, middling speed feeding and feeding at a slow speed, are kept away with adjusting material speed
Exempt from material speed excessive or too small and influence weighing precision, solve in the prior art the accuracy of packaging of weighing such as grain and feed with
Packaging speed is difficult to while the problem of being guaranteed.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 provides the structural representation of the autofeed weighing device of an embodiment for the present invention；
Fig. 2 is a partial schematic diagram of autofeed weighing device in Fig. 1；
Fig. 3 is a partial schematic diagram of feed hopper in Fig. 1；
Fig. 4 is a partial schematic diagram of dodge gate in Fig. 1；
The flow chart of the Weighing method for the embodiment that Fig. 5 provides for the present invention.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality indicate (such as up, down, left, right, before and after ...),
Then directionality indicate to be only used for explain relative position relation under a certain particular pose (as shown in drawings) between each part,
Motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, being somebody's turn to do " first ", " second " etc.
Description be only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indicated skill
The quantity of art feature.Thus, " first " is defined, at least one spy can be expressed or be implicitly included to the feature of " second "
Levy.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that the knot of this technical scheme
Conjunction is not present, also not within the protection domain of application claims.
The present invention provides a kind of autofeed weighing device, refers to Fig. 1 and Fig. 2, the autofeed weighing device 100 is wrapped
Include material weighing device 1, feed hopper 2, mobile door assembly 3, vibra feeder 4 and controller.Material weighing device 1 includes bucket 11,
To accommodate material to be weighed；Feed hopper 2 is located at the top of bucket 11, and the upper end of feed hopper 2 is provided with charging aperture 21, feed hopper 2
Side wall provided with sub-material mouthfuls 22, the lower end of feed hopper 2 is provided with the discharging opening 23 being used to the feeding of bucket 11；Mobile door assembly 3
Feed hopper 2 is movably arranged at, the aperture to adjust discharging opening 23；Vibra feeder 4 has located at the lower section of sub-material mouthful 22
Material receiving port 41 and to the feeding port 42 to the feeding of bucket 11, with to the accurate feeding of bucket 11；Controller and weighing
Device 1, mobile door assembly 3 and vibra feeder 4 are electrically connected with, and dodge gate group is controlled according to the weighing result of material weighing device 1
Part 3 and vibra feeder 4.
The autofeed weighing device 100 weighs most of material to be weighed by bucket 11, and a small amount of material is by shaking
Material is slowly sent to feeding port 42 by dynamic dispenser 4, and enters in bucket 11, wherein, adjusted out by mobile door assembly 3
The aperture of material mouth 23 and several times feeding, such as feeding in three times, quick feeding, middling speed feeding and feeding at a slow speed, with instrumentality
Material speed avoids material speed excessive or too small and influence weighing precision；Solve the bag of the weighings such as grain in the prior art and feed
Dress precision is difficult to while the problem of being guaranteed with packaging speed.Further, such as controller is according to the weighing of material weighing device 1
As a result the aperture of the discharging opening 23 of size control mobile door assembly 3；It is corresponding with inventory with how much selections according to material
The aperture of discharging opening 23, due to when material falls under gravity into bucket 11 with certain impact, if aperture is excessive,
Causing impulsive force to cross conference influences the weighing result of material weighing device 1, and aperture is too small, and material can be influenceed to deliver to the speed of bucket 11
Degree, and aerial stock column of the material in dropping process causes weighing result less than normal.In other words, controller is according to material weighing device 1
The aperture of discharging opening 23 of size control mobile door assembly 3 of weighing result can improve the Dynamic Weighting material of material weighing device 1
Accuracy.
Specifically, referring to Fig. 2, mobile door assembly 3 includes drive device 31, dodge gate 32 and transmission mechanism 33, drive
Dynamic device 31 is arranged on the side wall of feed hopper 2, for drive transmission device 33.Dodge gate 32 covers discharging opening 23 and set, transmission
The drive connection drive device 31 of mechanism 33 and dodge gate 32.When the drive transmission device 33 of drive device 31 is moved, transmission mechanism
33 drive dodge gates 32 move to realize that opening or closure or part close the discharging opening 23.In the present embodiment, driving dress
It is linear drive apparatus 31 to put 31, and transmission mechanism 33 is lever arm, and one end of lever arm is fixed with the side wall of feed hopper 2, another
End is fixed with dodge gate 32, and drive device 31 is flexible to be connected on the lever arm.Drive device 31 can be, but not limited to cylinder,
It is preferred that, drive device 31 is triple-travel cylinder, in order to three relative positions of accurate control dodge gate 32 and discharging opening 23.
For the ease of adjusting the aperture of discharging opening 23 to very little and finely tuning the aperture of discharging opening 23, dodge gate 32 is provided with giving
Expect hole 321 and adjustable skid 322, adjustable skid 322 is adjustable to be arranged on dodge gate 32, to adjust the aperture of feed well 321.
When needing the aperture very little of discharging opening 23, dodge gate 32 can be moved to the correspondence position with feed well 321, using to
Material hole 321 is fed, and adjusts the aperture of feed well 321 by adjustable skid 322, so that flexible modulation is from feed hopper 2 to weighing
The blanking aperture of bucket 11.It is preferred that, the size on dodge gate 32 with the relative position of feed well 321 is more than or equal to discharging opening 23
Size, to ensure that by adjusting dodge gate 32 discharging opening 23 can be covered completely.In addition, feed well 321 is arranged on discharging opening 23
Center and the correspondence position of dodge gate 32, when material is less, if directly adjusting dodge gate 32 to adjust opening for discharging opening 23
Degree, may be excessive because of Opening length, and width is narrow and influences blanking velocity to cause precision to reduce, and passes through feed well 321
To discharge because feed well 321 is located at the middle part of discharging opening 23 during a small amount of material, discharging is uniform, speed regulation is uniform.
In the present embodiment, referring to Fig. 4, adjustable skid 322 offers mounting hole 3221；Dodge gate 32 is provided with and supplies waist
Screw rod 3222 and be screwed onto the outer end of screw rod 3222 with the locking nut of fixedly adjustable sliding block 322 that shape hole 3221 is installed
3223, coordinated by the external screw thread of locking nut 3223 and screw rod 3222, compressed on adjustable skid 322 to dodge gate 32, can
Regulating sliding piece 322 is fastened on dodge gate 32, and the aperture for realizing feed well 321 is adjustable.
There is sizing during in order to avoid 2 blanking of feed hopper, referring to Fig. 3, feed hopper 2 has the first skew wall 24 and second oblique
Wall 25.The inclination angle of first skew wall 24 is α；Second skew wall 25 is oppositely arranged with the first skew wall 24, the inclination angle of the second skew wall 25
For β, α ＞ β, the lower end of the second skew wall 25 is low compared with the lower end of the first skew wall 24.Due to the first skew wall 24 that material is α from inclination angle
On the speed that slides to be more than material from inclination angle be the speed slided on β the second skew wall 25, and the lower end of the second skew wall 25 compared with
The lower end of first skew wall 24 is low, and the material so slided from the first skew wall 24 can have one to the material slided from the second skew wall 25
Individual downward power, to prevent material sizing on the second skew wall 25.Simultaneously because the supports for material down-sliding speed sheet on the first skew wall 24
The supports for material down-sliding speed that body is compared on the second skew wall 25 is larger, and posterior material can have a downward impact to preceding material
Power, is also prevented from sizing occur to a certain extent.In the present embodiment, α is 60 °, and β is 45 °.In addition, in order to improve feed hopper 2
Discharging opening 23 and dodge gate 32 between laminating degree, the discharging opening 23 is the arc that radius is R, the upper table of dodge gate 32
Face also has the arc that radius is R, so that discharging opening 23 is fitted close with dodge gate 32.
Material receiving port 41 is delivered to from sub-material mouthful 22 for the ease of partial material, the autofeed weighing device 100 also includes dividing
Expects pipe 5, sub-feed tube 5 is arranged between sub-material mouthful 22 and material receiving port 41, will be directed into vibration from the material of the output of sub-material mouthful 22
Dispenser 4.In addition, being further opened with material-distributing hole and regulation loose piece on sub-feed tube 5, regulation loose piece is adjustable to be arranged on sub-feed tube 5,
To adjust the aperture of material-distributing hole.In the present embodiment, vibrate finely to be fed before and after vibra feeder 4.
The metering method that can be known in the art to the weight metering of the material in bucket 11 in material weighing device 1,
This is not particularly limited.Can be that bucket 11 is provided with weighing sensor 12 in the present embodiment, weighing sensor 12 is supported
And weigh the weight of bucket 11 and material.Weighing sensor 12 can be integrally fixed on bearing 14, and weighing is supported to facilitate
Bucket 11 or is fixed on other supports.Material weighing device 1 also includes discharge door 13, and discharge door 13 is arranged on bucket 11
Lower end, for discharging the material in bucket 11.
In order to ensure feed is not disrupted, level sensor 26, controller and level sensor 26 are additionally provided with feed hopper 2
Connection, the material position value to be detected according to level sensor 26 controls the charging of the charging aperture 21 on feed hopper 2, to ensure feed
There are enough materials all the time in bucket 2, also avoid material from overflowing.
Based on same inventive concept, the application also provides a kind of weighing technique, is weighed dress applied to above-mentioned autofeed
100 are put, referring to Fig. 5, the weighing technique includes：
Step S210, first position is opened into by dodge gate so that discharging opening 23 is in quick feed.
Step S220, when the quick weight for accounting for material to be weighed that is fed is than 65%~85%, second is opened into by dodge gate
Position so that discharge outlet is fed in middling speed.
Step S230, when middling speed is fed the weight for accounting for material to be weighed than 13~29%, the 3rd is opened into by dodge gate
Position so that discharge outlet is in being fed at a slow speed.
Step S240, when feed accounts for the weight of material to be weighed than 2~5% at a slow speed, and meausring apparatus claims the weight that must expect
During less than target weight, vibra feeder compensation feed is opened until reaching target weight.
Specifically, it is 0~1% to open vibra feeder compensation feed in step S240 to account for the weight ratio of material to be weighed.
Wherein, the autofeed weighing device is not done in detail as the structure of above-mentioned autofeed weighing device 100, herein
Thin narration.
First position, the second place and the 3rd position are true according to the type of material to be weighed, target weight and granularity etc.
Fixed, suitable first position, the second place and the 3rd position are obtained, it is possible to prevente effectively from when material to be weighed falls into bucket
Weighing results that are excessive and influenceing material weighing device are impacted, in other words, according to the type of material to be weighed, target weight and granularity
Deng determining first position, the second place and the 3rd position, increase weigh material from feed hopper fall into bucket when resistance so that
Reduce material to be weighed from feed hopper fall into bucket when impact.
It is preferred that, first position and the second place adjust discharging opening aperture by adjusting dodge gate, and be fed at a slow speed by
It is less in material, then the 3rd position by adjusting the aperture of feed well to adjust discharging opening aperture.The material being fed at a slow speed is less,
According to dodge gate regulation discharging opening aperture, then aperture is rectangle, can be because length is long, and width is narrow, and influences blanking speed
Degree.And be fed by feed well, feed well occupy discharging opening center, it is possible to prevente effectively from because length is long, width is narrow,
The situation of blanking velocity is influenceed to occur.
The present invention is significantly fed and a compensation feed using three phases, and compensate for sack material, quickly feed causes
Stream impulsive force and falling down error weight of material to the influence that causes of feed precision, greatly improve the metering of dynamic weighing
Precision, and then cause sack material to realize full-automatic dynamic weighing when being packed, with weighing speed soon, high excellent of precision
Point.
Example 1
When material to be weighed is 50kg, weighing technique is：
S1, first position is opened into by dodge gate so that discharge outlet is in quick feed；
S2, when the weight that quick feed accounts for material to be weighed compares 80%, the second place is opened into by dodge gate so that discharging
Mouth is in middling speed feed；
S3, when middling speed is fed the weight for accounting for material to be weighed than 16%, is opened into the 3rd position so that go out by dodge gate
Material mouth is in and is fed at a slow speed；
S4, when the weight that feed at a slow speed accounts for material to be weighed compares 3.5%, and meausring apparatus claims the weight that must be expected to be less than target
During weight, vibra feeder compensation feed is opened until reaching target weight 50kg.
Due to quick feed, middling speed feed and the weight ratio being fed at a slow speed, and first position, the second place, the 3rd
The determination put needs to adjust with specific material etc..Below exemplified by packing the broken iblets of 50kg, whole grain rice and thin Buddha's warrior attendant sand,
Hurry up, in, the metering combination of the discharging opening aperture of slow each section of feed hopper and each section of feeding coal it is as shown in table 1, so complete one
The duration for being fed weighing cycle is no more than 6s.
Table 1
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every in the present invention
Inventive concept under, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/be used in it indirectly
He is included in the scope of patent protection of the present invention related technical field.
Claims (10)
1. a kind of autofeed weighing device, it is characterised in that including：
Material weighing device, including bucket；
Feed hopper, positioned at the top of the bucket, the upper end of the feed hopper is provided with charging aperture, and the side wall of the feed hopper is set
There is sub-material mouthful, the lower end of the feed hopper is provided with the discharging opening being used to the bucket feeding；
Mobile door assembly, is movably arranged at the feed hopper, the aperture to adjust the discharging opening；
Vibra feeder, with the material receiving port located at the lower section of the sub-material mouthful and to the feeding to the bucket feeding
Mouthful；And,
Controller, is electrically connected with the material weighing device, mobile door assembly and vibra feeder, according to the material weighing device
Weighing result controls the mobile door assembly and vibra feeder.
2. autofeed weighing device as claimed in claim 1, it is characterised in that the mobile door assembly includes：
Drive device, installed in the side wall of the feed hopper；
Dodge gate, covers the discharging opening and sets；And,
Transmission mechanism, the drive device that is connected and the dodge gate.
3. autofeed weighing device as claimed in claim 2, it is characterised in that the drive device is triple-travel cylinder.
4. autofeed weighing device as claimed in claim 2, it is characterised in that the dodge gate is provided with：
Feed well；
Adjustable skid, can adjust and be arranged on the dodge gate, to adjust the aperture of the feed well.
5. autofeed weighing device as claimed in claim 4, it is characterised in that the adjustable skid offers mounting hole；
The dodge gate is provided with the screw rod installed for the mounting hole and is screwed onto the outer end of the screw rod with fixed described
The locking nut of adjustable skid.
6. autofeed weighing device as claimed in claim 1, it is characterised in that the feed hopper has：
First skew wall, the inclination angle of first skew wall is α；And,
Second skew wall, is oppositely arranged with first skew wall, and the inclination angle of second skew wall is β, α ＞ β, second skew wall
Lower end first skew wall lower end it is low.
7. autofeed weighing device as claimed in claim 1, it is characterised in that also include：
Sub-feed tube, is arranged between the sub-material mouthful and the material receiving port, will be directed into from the material of the sub-material mouthful output
The vibra feeder.
8. autofeed weighing device as claimed in claim 1, it is characterised in that the bucket is provided with weighing and sensing
Device, the weighing sensor supports and weighs the weight of the bucket and material.
9. autofeed weighing device as claimed in claim 1, it is characterised in that material position sensing is additionally provided with the feed hopper
Device, the controller is connected with the level sensor, and the material position value to be detected according to the level sensor is controlled.
10. a kind of weighing technique of the autofeed weighing device described in utilization claim 1 to 9 any one, its feature exists
In, including：
The dodge gate is opened into first position so that the discharge outlet is in quick feed；
The dodge gate is opened into the second place by the weight for accounting for material to be weighed when the quick feed than 65%~85%,
So that the discharge outlet is fed in middling speed；
When the middling speed is fed the weight for accounting for material to be weighed than 13~29%, the dodge gate is opened into the 3rd position,
So that the discharge outlet is in being fed at a slow speed；
When the feed at a slow speed accounts for the weight of material to be weighed than 2~5%, and the meausring apparatus claims the weight that must be expected less than mesh
During indicated weight amount, the vibra feeder compensation feed is opened until reaching target weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710644440.4A CN107244435A (en) | 2017-07-31 | 2017-07-31 | Autofeed weighing device and Weighing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN113212819A (en) * | 2021-04-19 | 2021-08-06 | 苏州信亨自动化科技有限公司 | Single-dispensing unit rapid and accurate dispensing method suitable for automatic dispensing equipment for bulk traditional Chinese medicines |
| CN116183006A (en) * | 2023-02-13 | 2023-05-30 | 杭州中策清泉实业有限公司 | Carbon black and powder weighing control system and method |
| CN116215927A (en) * | 2022-12-30 | 2023-06-06 | 江苏盛泽农业开发有限公司 | Burdock processing is with ration equipment for packing |
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| CN116215927A (en) * | 2022-12-30 | 2023-06-06 | 江苏盛泽农业开发有限公司 | Burdock processing is with ration equipment for packing |
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