CN110174163A - A kind of Bulk Grain metering weighing system - Google Patents
A kind of Bulk Grain metering weighing system Download PDFInfo
- Publication number
- CN110174163A CN110174163A CN201910546405.8A CN201910546405A CN110174163A CN 110174163 A CN110174163 A CN 110174163A CN 201910546405 A CN201910546405 A CN 201910546405A CN 110174163 A CN110174163 A CN 110174163A
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- Prior art keywords
- weighing
- weighing system
- belt conveyor
- intelligent
- control
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
- B65G67/08—Loading land vehicles using endless conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
- G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A kind of Bulk Grain metering weighing system, entrance belt conveyor, weighing system, computer server, outlet belt conveyor and video monitoring apparatus, grain is transported to weighing system by entrance belt conveyor, weighing system and computer server are wirelessly connected and weighing data are transmitted to computer server, by the grain after weighing by outlet belt feeder output, video monitoring apparatus is mounted on weighing system weighing system.Realize the combination that grain goes out the discontinuous totalizing Weighing being put in storage and grain transmission, solve the problems, such as that grain goes out to be put in storage transportation, takes grain out of a granary to sun it, weighs, realize quantify put in storage, the functions such as quantifying and loading, automatic gauge, and data are uploaded to computer server, data can be carried out with Classifying Sum inquiry and management, improve the efficiency of management.
Description
Technical field
The present invention relates to weighing instrument technical field, in particular to a kind of Bulk Grain measures weighing system.
Background technique
The metering of existing grain purchases and storage is measured by truck scale mostly, needs to be filled by manpower
Vehicle with unload.The measuring accuracy of truck scale is relatively low, the more expensive material of price this for grain, and error is larger；Manual handling vehicle
First is that at high cost, second is that the time is long, has bad luck to warehouse and also need to carry out entrucking again, unload, cause grain storage cost increase,
Inefficiency；Frequent loading-unloading vehicle causes the problems such as grain crusher rate is high, and dust pollution is serious.
Summary of the invention
To overcome problems of the prior art, the present invention provides a kind of Bulk Grains to measure weighing system.
The technical scheme adopted by the invention to solve the technical problem is that: this kind of Bulk Grain measures weighing system, including entrance
Belt conveyor, weighing system, computer server, outlet belt conveyor and video monitoring apparatus, entrance belt conveyor
Grain is transported to weighing system, weighing system and computer server are wirelessly connected and weighing data are transmitted to computer clothes
Business device, weighing system export the grain after weighing by outlet belt feeder, and video monitoring apparatus is mounted on weighing system.
Further, weighing system includes frame, and frame is mounted in moving trolley, and lifting branch is arranged at moving trolley bottom
Leg is equipped with buffering bucket on frame, and upper buffering bucket connect by being flexible coupling with charging gear, fills below charging gear for weighing
It sets, the intelligent weighing terminal of control charging gear and weighing device is installed on frame, be lower buffering bucket below weighing device；
The bottom of the charging gear and weighing device is all provided with there are two feeding gate and two Dump gates, feeding gate and discharging
Door is sector, and feeding gate and Dump gate are connect with cylinder, and the movement of opening-closing door is completed under cylinder drive；
It further include air compressor machine, air compressor machine is connect by pipeline with intelligent weighing terminal, and intelligent weighing terminal is connect with cylinder
And control the movement of cylinder.
Further, the charging gear is mounted on frame by weighing bracket, and it is flat that air is equipped on weighing bracket
Weigh device, and the air balance device includes filter mantle and clip, and filter mantle is connected to charging gear by clip；The weighing branch
Transparent glass window is installed on frame.
Further, level-sensing device, level-sensing device and intelligent weighing terminal Electricity Federation are installed in the upper buffering bucket.
Further, the video monitoring apparatus include can three-dimensional rotation camera, camera passes through by taking the photograph
Camera column is mounted at the top of weighing system.
Further, the weighing device is discontinuous totalizing weighing device, including weighing hopper, electromagnetic control apparatus, material
Level detecting apparatus, the weighing hopper, electromagnetic control apparatus are connected with the data acquisition channel of intelligent weighing terminal, and intelligent weighing is whole
End includes intelligent weighing instrument, sets data acquisition channel, network connection port, card reader in intelligent weighing instrument；Data acquisition
Channel is connected with intelligent weighing instrument, and intelligent weighing instrument reads weighing structure data, intelligent weighing by data acquisition channel
Instrument outputs signals to electromagnetic control apparatus, the control of the material-level detecting device and electrical control gear by data acquisition channel
Input unit processed is connected.
It further, further include electrical control gear, including control input unit and control output device, the control are defeated
Enter device to be connected with weighing device, the control output device is connected with entrance belt conveyor and outlet belt conveyor；Control
Output device processed includes control cabinet, and the control cabinet is equipped with n and covers industrial socket, and inside is furnished with PLC programmable controller, RS485
Module, display screen, state instruction, electric switching；The PLC programmable controller covers industrial socket by being electrically connected n,
The input port of the industrial socket is electrically connected entrance belt conveyor and outlet belt conveyor；The PLC programmable control
Device processed is electrically connected by RS485 module and upper control port；The output port of the PLC programmable controller is electrically connected
Industrial socket, the industrial socket input port are electrically connected entrance belt conveyor and outlet belt conveyor.
To sum up, the advantageous effects of the above technical solutions of the present invention are as follows:
The combination that grain goes out the discontinuous totalizing Weighing being put in storage and grain transmission is realized, grain is solved and goes out to be put in storage
Transportation, the problem taken grain out of a granary to sun it, weighed, realize quantify put in storage, the functions such as quantifying and loading, automatic gauge, and data are uploaded to
Computer server can carry out Classifying Sum inquiry and management to data, improve the efficiency of management.
By control of swiping the card, automatically entering for starting information is realized, the automatic control of intelligent weighing terminal is realized, subtracts
A possibility that having lacked human operational error.Human cost is reduced, weighing efficiency is improved.
By by bucket weighing optimization algorithm, realize bucket number it is more, error is smaller, the higher weighing target of precision, improve
Measuring accuracy.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is that the present invention removes entrance belt conveyor and exports the main view after belt conveyor.
Fig. 3 is that the present invention removes entrance belt conveyor and exports the side view after belt conveyor.
Fig. 4 is flow diagram of the present invention.
In figure:
1 video camera, 3 video camera columns, 4 is flexible coupling, 5 charging gears, 6 weighing brackets, 7 weighing devices, 8 at buffering bucket on 2
Dump gate, 9 lower buffering buckets, 10 air compressor machines, 11 power control cabinets, 12 moving trolleys, 13 lifting landing legs, 14 cylinders, 15 air are flat
Weigh device, 16 intelligent weighing terminals, 17 level-sensing devices, 18 limited blocks, 19 entrance belt conveyors, 20 outlet belt conveyors, 21
Computer server.
Specific embodiment
Feature and principle of the invention are described in detail below in conjunction with attached drawing, illustrated embodiment is only used for explaining this hair
It is bright, not limited the scope of protection of the present invention with this.
As shown in Figures 1 to 4, this kind of Bulk Grain measures weighing system, including entrance belt conveyor 19, weighing system, meter
Grain is transported to weighing by calculation machine server 21, outlet belt conveyor 20 and video monitoring apparatus, entrance belt conveyor 19
System, weighing system and computer server 21 be wirelessly connected and by weighing data (including weight, bucket number, warehouse number, license number,
Weighing time etc.) it is sent to computer server 21, computer server carries out data to summarize arrangement, generates report.Weighing
System exports the grain after weighing by exporting belt feeder 20, and video monitoring apparatus is mounted on weighing system.
Weighing system includes frame, and frame is mounted in moving trolley 12, and lifting landing leg 13 is arranged at 12 bottom of moving trolley.It moves
It is equipped with draw bar before dynamic trolley 12, there is inclined limited block 18 between draw bar and moving trolley 12.By pulling draw bar to draw
Dynamic moving trolley 12 is mobile, and when not using draw bar, draw bar is ridden on limited block 18, and limitation draw bar corner is excessive,
Prevent draw bar from encountering on air compressor machine 10.12 steering system of moving trolley guarantees that two front wheels are synchronous using push and pull system, to reduce
Steering resistence, the structure of design injection lubricating oil at wear-resistant pad.It is fixed below the air compressor machine in moving trolley and adds damping spring
Damper avoids vibrating the influence to weighing when compressor operation.Lifting landing leg 13 plays a supportive role at work, change of place
When supporting leg can be packed up by swinging handle, to prevent encountering barrier.
It is also equipped with power control cabinet 11 in moving trolley, provides power for all power parts in the system.
Buffering bucket 2 is installed, upper buffering bucket 24 is connect by being flexible coupling with charging gear 5 on frame.Be flexible coupling 4 be by
Filter cloth suture after one piece big of bulk filter cloth folding with four pieces small forms flange connection type.This is flexible coupling for opening side
Formula wherein one side is overlapped, and is connected by thread gluing.
Charging gear 5 is mounted on frame by weighing bracket 6, and air balance device 15, institute are equipped on weighing bracket 6
Stating air balance device 15 includes filter mantle and clip, and filter mantle is connected to charging gear 5 by clip.When upper buffering bucket is to feed
When device 5 is fed, since pressure increases in charging gear, filter mantle is opened；When 5 discharging of charging gear, due to charging gear
Interior pressure becomes smaller, filter mantle retraction.Filter mantle is sewed using the preferable filter cloth of gas permeability, and filter mantle can be filled with feed
It sets interior being raised and lowered for air pressure and expansion or shrinkage, balances inner and outer air pressure, reduce influence of the air pressure to weighing.
It is weighing device 7 below charging gear 5, the bottom of the charging gear 5 and weighing device 7 is all provided with that there are two dischargings
Door 8, double discharging door designs, while being fed, discharging simultaneously, improve feed and discharge rate.By increasing scale body length
Direction size reduces the height of equipment entirety, ensure that and docks with user equipment.
Dump gate 8 is sector, and Dump gate 8 is connect with cylinder 14, and the movement of opening-closing door is completed under the drive of cylinder 14.
Frame side is equipped with air compressor machine 10, and air compressor machine 10 is connect by pipeline with intelligent weighing terminal 16, intelligent weighing terminal 16 and
Cylinder 14 connects and controls the movement of cylinder 14.Cylinder on weighing device 7 shares a pedestal, reduces using being arranged symmetrically
The vibration of weighing hopper when bin gate switchs.
Intelligent weighing terminal 16, which has, starts pre- heat function.Can be controlled within the time of program setting when starting solenoid valve into
The multiple on-off of row, cylinder carry out multiple expanding-contracting action, sticky, sealing ring tension of lubricating grease etc. when overcoming solenoid valve, cylinder low temperature
Defect makes solenoid valve, cylinder quickly enter normal operating conditions.
It is lower buffering bucket 9 below weighing device 7, lower buffering bucket 9 keeps in material, and by conveyer belt below by material
It transports.
Transparent glass window is installed on weighing bracket 6, acrylic glass is pushed down using pressing plate and realizes, be not required to open
Weighing bracket door body can see the state of inner cylinders, convenient to overhaul.
Frame top by video camera column 3 install video camera 1, the video camera 1 be can three-dimensional rotation camera.
Video camera column 3 is mounted in the fixation hole of frame, and can be around fixation hole center any rotation.
Level-sensing device 17, level-sensing device 17 and 16 Electricity Federation of intelligent weighing terminal are installed in upper buffering bucket 2.
Weighing operation process are as follows:
Material is delivered to upper buffering bucket 2 by higher level's feeding device, and after system enters automatic operating state, intelligent weighing is whole
End 16 issues the feeding gate in control signal opening charging gear 5, starts to feed, when weight of material reaches setting value, close
Feeding gate stops feed, and intelligent weighing terminal 16 records the weight (gross weight record) of material in the weighing hopper in weighing device 7,
Then intelligent weighing terminal 16 issues control signal, and the Dump gate in weighing device 7 is opened, and material is discharged to lower buffering from weighing hopper
In bucket 9.Weighing hopper unsnatches material, and Dump gate is closed, and intelligent weighing terminal 16 records weight (the tare weight note of surplus material in weighing hopper
Record).According to gross weight record and tare weight record, intelligent weighing terminal 16 calculates material net weight and the title of beginning next time automatically
Weight.Every time after weighing, the net weight of material is added in accumulative net weight.It is weighed when accumulative net weight reaches preset batch weight
Journey is automatically stopped operation.Level-sensing device 17 is installed on the middle part of buffering bucket 2, when higher level's feeding device conveying material is too fast, material
Material in bucket gradually increases at level-sensing device 17, and intelligent weighing terminal 16 issues control signal and stops initial level-one feeding device
Operating, intergrade equipment remains in operation, and discontinuous totalizing scale works normally.Although the material in upper buffering bucket 2 is in a timing
Interior also to will continue to increase, since discontinuous totalizing scale is still in constantly discharging, the material of intergrade equipment delivery is limited, material
Increase limited, does not overflow buffering bucket 2 finally.When material is lower than level-sensing device 17, intelligent weighing terminal 16 issues control letter
Number initial level-one feeding device of starting.Video camera 1 can long-range monitoring site situation.
Further include electrical control gear, including control input unit and control output device, the control input unit and
Weighing device is connected, and the control output device is connected with entrance belt conveyor and outlet belt conveyor；Control output dress
It sets including control cabinet, the control cabinet is equipped with n and covers industrial socket, and inside is equipped with PLC programmable controller, RS485 module, display
Screen, status indicator lamp, electric switching；The PLC programmable controller covers industrial socket, the work by being electrically connected n
The input port of industry socket is electrically connected entrance belt conveyor and outlet belt conveyor；The PLC programmable controller is logical
It crosses RS485 module and upper control port is electrically connected；The output port of the PLC programmable controller is electrically connected industry and inserts
Seat, the industrial socket input port are electrically connected entrance belt conveyor and outlet belt conveyor.
A kind of Bulk Grain metering system course of work the following steps are included:
Step 1.1, the information such as preset weighing weight, warehouse number are written and are blocked in computer server-side fabrication by administrator
Piece.
Step 1.2, operator holds card and swipes the card to intelligent weighing terminal, starts Bulk Grain metering system.
Step 1.3, intelligent weighing terminal sends instruction starting entrance belt conveyor and outlet skin to electrical control gear
Grain is sent into discontinuous totalizing weighing device by band conveyer.
Step 1.4, intelligent weighing terminal carries out control discontinuous totalizing weighing device and weighs, and result is sent to
Computer server.
Step 1.5, after the completion of weighing, grain is unloaded into inlet/outlet belt conveyor.
Step 1.6, grain is sent into warehouse or entrucking by outlet belt conveyor.
Above-described embodiment is only the description that carries out to the preferred embodiment of the present invention, not to the scope of the present invention into
Row limits, without departing from the spirit of the design of the present invention, relevant technical staff in the field to various modifications of the invention and
It improves, should all expand in protection scope determined by claims of the present invention.
Claims (7)
1. a kind of Bulk Grain measures weighing system, which is characterized in that including entrance belt conveyor, weighing system, Computer Service
Grain is transported to weighing system by device, outlet belt conveyor and video monitoring apparatus, entrance belt conveyor, weighing system with
Computer server is wirelessly connected and weighing data is transmitted to computer server, and weighing system passes through the grain after weighing
Belt feeder output is exported, video monitoring apparatus is mounted on weighing system.
2. a kind of Bulk Grain according to claim 1 measures weighing system, which is characterized in that weighing system includes frame, frame
Frame is mounted in moving trolley, and lifting landing leg is arranged at moving trolley bottom, and buffering bucket is equipped on frame, and upper buffering bucket passes through soft
Connection is connect with charging gear, is weighing device below charging gear, control charging gear and weighing device are equipped on frame
Intelligent weighing terminal, be lower buffering bucket below weighing device；
The bottom of the charging gear and weighing device is all provided with is there are two feeding gate and two Dump gates, feeding gate and Dump gate
Sector, feeding gate and Dump gate are connect with cylinder, and the movement of opening-closing door is completed under cylinder drive；
It further include air compressor machine, air compressor machine is connect by pipeline with intelligent weighing terminal, and intelligent weighing terminal connect and controls with cylinder
The movement of cylinder processed.
3. a kind of Bulk Grain according to claim 2 measures weighing system, which is characterized in that the charging gear passes through weighing
Bracket is mounted on frame, and air balance device is equipped on weighing bracket, and the air balance device includes filter mantle and card
Hoop, filter mantle are connected to charging gear by clip；Transparent glass window is installed on the weighing bracket.
4. a kind of Bulk Grain according to claim 2 measures weighing system, which is characterized in that be equipped in the upper buffering bucket
Level-sensing device, level-sensing device and intelligent weighing terminal Electricity Federation.
5. a kind of Bulk Grain according to claim 1 measures weighing system, which is characterized in that the video monitoring apparatus includes
Can three-dimensional rotation camera, camera by by video camera column be mounted on weighing system top.
6. a kind of Bulk Grain according to claim 2 measures weighing system, which is characterized in that the weighing device is discontinuous
Accumulative weighing device, including weighing hopper, electromagnetic control apparatus, material-level detecting device, the weighing hopper, electromagnetic control apparatus and intelligence
The data acquisition channel of energy weighing terminal is connected, and intelligent weighing terminal includes intelligent weighing instrument, sets number in intelligent weighing instrument
According to acquisition channel, network connection port, card reader；Data acquisition channel is connected with intelligent weighing instrument, and intelligent weighing instrument is logical
It crosses data acquisition channel and reads weighing structure data, intelligent weighing instrument outputs signals to Electromagnetic Control by data acquisition channel
Device, the material-level detecting device are connected with the control input unit of electrical control gear.
7. a kind of Bulk Grain according to claim 1 measures weighing system, which is characterized in that it further include electrical control gear,
Including control input unit and control output device, the control input unit is connected with weighing device, the control output dress
It sets and is connected with entrance belt conveyor and outlet belt conveyor；Controlling output device includes control cabinet, and the control cabinet is equipped with n
Industrial socket is covered, inside is furnished with PLC programmable controller, RS485 module, display screen, state instruction, electric switching；Institute
It states PLC programmable controller and covers industrial socket by being electrically connected n, the input port of the industrial socket is electrically connected entrance skin
Band conveyer and outlet belt conveyor；The PLC programmable controller is electrically connected by RS485 module with upper control port
It connects；The output port of the PLC programmable controller is electrically connected industrial socket, and the industrial socket input port is electrically connected
Entrance belt conveyor and outlet belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546405.8A CN110174163A (en) | 2019-06-21 | 2019-06-21 | A kind of Bulk Grain metering weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546405.8A CN110174163A (en) | 2019-06-21 | 2019-06-21 | A kind of Bulk Grain metering weighing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110174163A true CN110174163A (en) | 2019-08-27 |
Family
ID=67698557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910546405.8A Pending CN110174163A (en) | 2019-06-21 | 2019-06-21 | A kind of Bulk Grain metering weighing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110174163A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864788A (en) * | 2019-11-29 | 2020-03-06 | 福泉市裕源生物肥业有限公司 | Quantitative weighing equipment is used in fertilizer processing |
| CN113071898A (en) * | 2021-03-31 | 2021-07-06 | 赵永 | A spiral delivery mechanism for corn starch processing workshop |
| TWI780998B (en) * | 2021-11-29 | 2022-10-11 | 國立屏東科技大學 | Programmable feed-supplying system |
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| CN108116907A (en) * | 2017-12-27 | 2018-06-05 | 郑州金恒电子技术有限公司 | A kind of silo feeding control system |
| CN208398996U (en) * | 2018-05-22 | 2019-01-18 | 无锡环宇包装材料股份有限公司 | A kind of weighing system |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09122606A (en) * | 1995-10-30 | 1997-05-13 | Yamamoto Mfg Co Ltd | Grain sorting machine |
| JP2005106748A (en) * | 2003-10-01 | 2005-04-21 | Kawasaki Heavy Ind Ltd | Heat generation monitoring method and device |
| CN102390729A (en) * | 2011-07-26 | 2012-03-28 | 徐州衡器厂有限公司 | Weightlessness feeding system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864788A (en) * | 2019-11-29 | 2020-03-06 | 福泉市裕源生物肥业有限公司 | Quantitative weighing equipment is used in fertilizer processing |
| CN110864788B (en) * | 2019-11-29 | 2022-10-25 | 福泉市裕源生物肥业有限公司 | Quantitative weighing equipment is used in fertilizer processing |
| CN113071898A (en) * | 2021-03-31 | 2021-07-06 | 赵永 | A spiral delivery mechanism for corn starch processing workshop |
| TWI780998B (en) * | 2021-11-29 | 2022-10-11 | 國立屏東科技大學 | Programmable feed-supplying system |
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Application publication date: 20190827 |