CN107197807A - Automatic weigh feeding system and feeding method - Google Patents
Automatic weigh feeding system and feeding method Download PDFInfo
- Publication number
- CN107197807A CN107197807A CN201710395416.1A CN201710395416A CN107197807A CN 107197807 A CN107197807 A CN 107197807A CN 201710395416 A CN201710395416 A CN 201710395416A CN 107197807 A CN107197807 A CN 107197807A
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- hopper
- controller
- weighing
- pallet
- weighing device
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000000295 complement effect Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 235000021050 feed intake Nutrition 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 241000371997 Eriocheir sinensis Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 102100032919 Chromobox protein homolog 1 Human genes 0.000 description 1
- 101000797584 Homo sapiens Chromobox protein homolog 1 Proteins 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
Abstract
The present invention provides a kind of automatic weigh feeding system and feeding method, feeding system of wherein weighing automatically includes a master control end and a plurality of weighing devices, weighing device includes a pallet, vibrating mechanism, one controller, one communication module, one hopper, one pressure sensor, one base, one power supply and a damping device, vibrating mechanism and hopper are fixed on base, pallet is fixed on the first discharging opening of vibrating mechanism and pallet positioned at the top of the first feeding mouth of hopper, pressure sensor is installed on hopper and communicated to connect with controller, controller connects vibrating mechanism, hopper, communication module and power supply, controller is communicated to connect by communication module and master control end；Vibrating mechanism is fixed on base by damping device.One kind automatic weigh feeding system and the feeding method of the present invention, can directly be controlled multiple weighing devices to carry out the operation of weighing in many places automatically by a master control end, have the advantages that automaticity is high, homework precision of weighing is high and can save human cost.
Description
Technical field
The present invention relates to weighing device field, more particularly to a kind of automatic weigh feeding system and feeding method.
Background technology
At present, the culture fishery of China, for culture of Chinese mitten crab, not only scope is wide, and river crab commodity
Occupancy volume commercially is also being increased rapidly, and raiser tentatively has certain Industrial form throughout various regions.But in river crab
Cultivation and growth in, also show the problem of some are to be handled, wherein there is a most important reason to be exactly many cultivation
Family is managed without certain technological means for feed.Therefore, those traditional and common cultural methods have gone to bottleneck,
And govern the sustainable development of the current crab farming of China.Weighing and managing for feed, a most important link
How accurate dispensing is accomplished, for comparatively cultivating the larger cultivation base of scope, each culture of Chinese mitten crab is every
It feed demand amount can be very more.The river crab on the even pool of each requires not to the feedstuff feeding amount at each moment
Together, go to weigh and feed intake if only by manpower, then production efficiency can be made very low.The uncertain factor while manpower is weighed
A lot, unnecessary feed can be caused to accumulate and waste, so that the increase of aquaculture cost.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of automatic weigh feeding system and feeding method, energy
It is enough that the operation of weighing that multiple weighing devices carry out many places automatically is directly controlled by a master control end, with automaticity it is high,
Homework precision of weighing is high and can save the advantage of human cost.
To achieve these goals, the present invention provides a kind of automatic weigh feeding system, including a master control end and plural number
Individual weighing device, the weighing device includes a pallet, a vibrating mechanism, a controller, a communication module, a hopper, a pressure
Force snesor, a base, a power supply and a damping device, the vibrating mechanism and the hopper are fixed on the base, described
Pallet is fixed on one first discharging opening of the vibrating mechanism and the pallet positioned at the upper of one first feeding mouth of the hopper
Side, the pressure sensor is installed on the hopper and communicated to connect with the controller, and the controller connects the vibration
Mechanism, the hopper, the communication module and the power supply, the controller pass through the communication module and the master control end
Communication connection；The vibrating mechanism is fixed on the base by the damping device.
Preferably, the hopper includes a hopper body, a hopper hatch door and a hopper motor, and the hopper hatch door passes through
One rotating shaft is articulated in one second discharging opening of the hopper body, and the rotating shaft is connected with a hopper motor.
Preferably, the weighing device also includes a charging gear, and one the 3rd discharging opening of the charging gear is located at institute
Above one second feeding mouth for stating pallet, the charging gear is communicated to connect with the controller.
Preferably, the weighing device also includes a Voltage stabilizing module and an A/D acquisition modules, and the power supply passes through described steady
Die block connects the controller；The pressure sensor connects the controller by the A/D acquisition modules.
Preferably, the vibrating mechanism includes a vibrating motor and a vibration rack, and the pallet is fixed on the vibration
Support, the vibrating motor connects the vibration rack；The weighing device also includes a motor drive module, and the motor drives
Dynamic model block connects the controller, the vibrating motor and the hopper motor.
Preferably, the weighing device also includes a display, and the display connects the controller.
Preferably, the communication module includes a wireless module and an antenna, and the antenna is connected by the wireless module
Connect the controller.
A kind of feeding method based on automatic feeding system of weighing of the present invention of the present invention, including step：
S1：Initialization step；
S2：The wireless network set up between the master control end and each weighing device；
S3：Detect that each weighing device, with the presence or absence of abnormal, works as presence by the wireless network in the master control end
Return to step S1；Otherwise subsequent step is continued；
S4：Input control information and the configuration file of the correspondence weighing device is generated and by institute according to the control information
State configuration file and be sent to the corresponding weighing device；
S5：The weighing device is configured according to the configuration file received and generates one and weighed task；
S6：Weighing device task of weighing according to is weighed；
S7：The controller controls the hopper to feed intake；
S8：The controller sends a complement mark by the communication module to the master control end after the completion of feeding intake.
Preferably, the S6 steps further comprise step：
S61：The controller, which is fed and started to the pallet according to the charging gear described in task control of weighing, to shake
Motivation structure；
S62：The controller gathers the weight of current bait in the hopper by the pressure sensor in real time；
S63：The controller judges whether the weight of the bait reaches the preset weight in the task of weighing；Such as
The weight of the bait is less than the preset weight, return to step S61；The weight of bait is equal to the preset weight as described,
Stop the feed of the charging gear, after the controller is by controlling the hopper motor to close the hopper hatch door and continue
Continuous step.
Preferably, the master control end includes a database, and the database includes weighing device positional information, feed kind
Category information, feed quantity information, single part of feed relative information, release time information and argument information；
Also include step after the S8 steps：By database described in the complement mark typing, the complement mark includes
This release time information delivered.
The present invention makes it have following beneficial effect as a result of above technical scheme：
Each weighing device is communicated to connect by communication module and master control end, so as to by master control end to dress of respectively weighing
Carry out centralized Control is put, the automatic discharging of each weighing device is realized, so as to which the required human cost that feeds intake is greatly reduced.
Pressure sensor, hopper and the cooperation at master control end realize that the accurate of each weighing device feeds intake.Controller uses singlechip chip,
Controller is the core of whole weighing device, and it both can be calculated and be analyzed to the data being collected into, again can be according to meter
The result come is calculated and analyzed, corresponding control lower end device is carried out, can also be communicated and timely protect information and data
Deposit and upload to the position specified.The bait that pallet is used to prevent charging gear when not working due to reasons such as vibrations therefore is let out
Leakage, vibrating mechanism is used to enable the bait into pallet to be smoothly rapidly introduced into hopper.Damping device is used for vibrating mechanism
Vibration miscellaneous part is impacted.Hopper motor is used to, by rotating shaft transmission hopper hatch door, control opening for the second discharging opening
Close.Charging gear communicates to connect the autofeed that charging gear can be achieved with controller.Voltage stabilizing module is used for whole to power supply progress
Stream, inversion, final output 5V direct current, feed system are used.
Brief description of the drawings
Fig. 1 is the structural representation of the automatic feeding system of weighing of the embodiment of the present invention；
Fig. 2 is the structural representation of the weighing device of the embodiment of the present invention；
Fig. 3 is the internal circuit configuration schematic diagram of the weighing device of the embodiment of the present invention；
Fig. 4 is the flow chart of the feeding method of the embodiment of the present invention.
Embodiment
Below according to accompanying drawing 1~4, presently preferred embodiments of the present invention is provided, and is described in detail, makes to be better understood when
Function, the feature of the present invention.
Refer to Fig. 1~Fig. 3, the automatic feeding system of weighing of one kind of the embodiment of the present invention, including a master control end 1 and multiple
Several weighing devices 2, weighing device 2 include a pallet 201, a vibrating mechanism 202, a controller 203, a communication module 204,
One hopper 205, a pressure sensor 206, a base 207, a power supply 208 and a damping device 209, vibrating mechanism 202 and material
Bucket 205 is fixed on base 207, and pallet 201 is fixed on vibrating mechanism 202 and one first discharging opening of pallet 201 is located at hopper 205
One first feeding mouth top, pressure sensor 206 is installed on hopper 205 and communicated to connect with controller 203, controller
203 connection vibrating mechanisms 202, hopper 205, communication module 204 and power supply 208, controller 203 is by communication module 204 and always
Control end 1 is communicated to connect；Vibrating mechanism 202 is fixed on base 207 by damping device 209.
In actual breeding process, often a raiser has multiple culture ponds, and the feed of each culture pond can
Individually go to weigh and deliver, in order to reduce unnecessary time and efforts, it is necessary to a table scale weight of being arranged in pairs or groups to each culture pond
Device 2.Each weighing device 2 is communicated to connect by communication module 204 with master control end 1, so as to pass through each title in 1 pair of master control end
2 carry out centralized Controls are put in refitting, realize the automatic discharging of each weighing device 2, so as to which the required people that feeds intake is greatly reduced
Power cost.Pressure sensor 206, hopper 205 and the cooperation at master control end 1 realize that the accurate of each weighing device 2 feeds intake, and precision can
Up to 0.1g.
In the present embodiment, the inclined bottom surface of pallet 201, pallet 201 is used to prevent charging gear when not working due to vibration
Etc. the bait leakage of reason therefore, vibrating mechanism 202 is used to enable the bait into pallet 201 to be smoothly rapidly introduced into material
Bucket 205.The vibration that damping device 209 is used for vibrating mechanism 202 is impacted to miscellaneous part.Controller 203 uses single-chip microcomputer
Chip, model STM32F101x8, controller 203 is the core of whole weighing device 2, and it both can be to the data that are collected into
Calculated and analyzed, again can according to calculate and analyze come result, carry out corresponding control lower end device, can also enter
Information and data are timely preserved and uploaded to the position specified by row communication.Power supply uses 220V alternating currents.
Hopper 205 includes a hopper body 2051, a hopper hatch door 2052 and a hopper motor 2053, hopper hatch door 2052
One second discharging opening of hopper body 2051 is articulated in by a rotating shaft 2053, the transmission of the hopper motor 2053 of rotating shaft 2053 and one connects
Connect.
Hopper motor 2053 is used for the opening and closing that the second discharging opening is controlled by rotating shaft transmission hopper hatch door 2052.
Weighing device 2 also includes a charging gear (not shown), and one the 3rd discharging opening of charging gear is located at pallet 201
One second feeding mouth above, charging gear communicates to connect with controller 203.
Charging gear communicates to connect the autofeed that charging gear can be achieved with controller 203.
Weighing device 2 also includes a Voltage stabilizing module 210 and an A/D acquisition modules 211, and power supply 208 passes through Voltage stabilizing module 210
Connect controller 203；Pressure sensor 206 connects controller 203 by A/D acquisition modules 211.
Voltage stabilizing module 210 is used to carry out rectification, inversion to power supply, and final output 5V direct current, feed system is used, this
In embodiment, Voltage stabilizing module 210 uses LM7805 integrated regulators.The effect of A/D acquisition modules 211 is by pressure simulation number
According to being converted into numerical data, the present embodiment, A/D acquisition modules 211 use HX711AD conversion chips, have E+, E-, A-, A+
Input, DT is FPDP, and CLK is clock port, and ACK is response port, respectively at the GPIOB1 of controller 203,
GPIOB2, GPIOB3 port are connected.
Vibrating mechanism 202 includes a vibrating motor 2021 and a vibration rack 2022, and pallet 201 is fixed on vibration rack
2022, the connection vibration rack 2022 of vibrating motor 2021；Weighing device 2 also includes a motor drive module 212, motor driving mould
The connection of block 212 controller 203, vibrating motor 2021 and hopper motor 2053.
In the present embodiment, the use BTN7970 modules of motor drive module 212, GPIOB4, the GPIOB0 of controller 203,
GPIOB5, GPIOB1 connect IN1 respectively, and IN2, IN3, IN4, GPIOB4, GPIOB0, GPIOB5, GPIOB1 exports PWM waveform,
By controlling the dutycycle of PWM waveform come the rotating speed of controlled motor.M1+ and M1- connect the both positive and negative polarity of vibrating motor 2021, M2+ and
The both positive and negative polarity of M2- receiving hoppers motor 2053, operating voltage is 5V.
Weighing device 2 also includes a display 213, the connection controller 203 of display 213.Display 213, which is used to show, to be thrown
Expect in information, the present embodiment, display 213 is powered using serial ports LCD, 5V, its RXD terminates the GPIOB10, TXD of controller 203
The GPIOB11 of controller 203 is terminated, display is controlled by the serial port protocol of standard.
Communication module 204 includes a wireless module 2041 and an antenna 2042, and antenna 2042 is connected by wireless module 2041
Connect controller 203.
In the present embodiment, wireless module 2041 uses model AS62-T27 wireless serial module, and 5V powers, its MOD0
Terminate GPIOE1, MOD1 termination GPIOE2, RXD termination GPIOA2, TXD terminations GPIOA2.
Refer to Fig. 1~Fig. 4, a kind of feeding method based on automatic feeding system of weighing of the invention of the invention, including
Step：
S1：Initialization step；
S2：The wireless network set up between master control end 1 and each weighing device 2；
S3：Each weighing device 2 is detected with the presence or absence of abnormal in master control end 1 by wireless network, when there is return to step S1；
Otherwise subsequent step is continued；
S4：Input control information and the configuration file of correspondence weighing device 2 is generated and by configuration file according to control information
It is sent to corresponding weighing device 2；
S5：Weighing device 2 is configured according to the configuration file received and generates one and weighed task；
S6：Weighing device 2 is weighed according to the task of weighing；
S7：The control hopper 205 of controller 203 feeds intake；
S8：Controller 203 sends a complement mark by communication module 204 to master control end 1 after the completion of feeding intake.
Preferably, S6 steps further comprise step：
S61：Controller 203 is fed and Vibration on Start-up mechanism 202 according to task control charging gear of weighing to pallet 201；
S62：The weight that controller 203 passes through current bait in pressure sensor 206 in real time collection hopper 205；
S63：Controller 203 judges whether the weight of bait reaches the preset weight in the task of weighing；Such as the weight of bait
Amount is less than preset weight, return to step S61；Weight such as bait is equal to preset weight, stops the feed of charging gear, controller
203 by controlling hopper motor 2053 to close hopper hatch door 2052 and continuing subsequent step.
Master control end 1 includes a database, and database includes the positional information of weighing device 2, feed kind of information, feed number
Measure information, single part of feed relative information, release time information and argument information；
Also include step after S8 steps：By complement mark input database, when complement mark includes the dispensing of this dispensing
Between information.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this
Invention regard the scope defined using appended claims as protection scope of the present invention.
Claims (10)
1. a kind of automatic feeding system of weighing, it is characterised in that described to weigh including a master control end and a plurality of weighing devices
Device includes a pallet, a vibrating mechanism, a controller, a communication module, a hopper, a pressure sensor, a base, an electricity
Source and a damping device, the vibrating mechanism and the hopper are fixed on the base, and the pallet is fixed on the bobbing machine
One first discharging opening of structure and the pallet is located at the top of one first feeding mouth of the hopper, and the pressure sensor is installed
Communicated to connect in the hopper and with the controller, the controller connects the vibrating mechanism, the hopper, the communication
Module and the power supply, the controller are communicated to connect by the communication module and the master control end；The vibrating mechanism
The base is fixed on by the damping device.
2. automatic feeding system of weighing according to claim 1, it is characterised in that the hopper include a hopper body,
One hopper hatch door and a hopper motor, the hopper hatch door are articulated in one second discharging of the hopper body by a rotating shaft
Mouthful, the rotating shaft is connected with a hopper motor.
3. automatic feeding system of weighing according to claim 2, it is characterised in that the weighing device also includes a feed
Device, one the 3rd discharging opening of the charging gear is located above one second feeding mouth of the pallet, the charging gear with
The controller communication connection.
4. automatic feeding system of weighing according to claim 3, it is characterised in that the weighing device also includes a voltage stabilizing
Module and an A/D acquisition modules, the power supply connect the controller by the Voltage stabilizing module；The pressure sensor passes through
The A/D acquisition modules connect the controller.
5. automatic feeding system of weighing according to claim 4, it is characterised in that the vibrating mechanism includes a vibration electricity
Machine and a vibration rack, the pallet are fixed on the vibration rack, and the vibrating motor connects the vibration rack；It is described to claim
Refitting, which is put, also includes a motor drive module, and the motor drive module connects the controller, the vibrating motor and described
Hopper motor.
6. automatic feeding system of weighing according to claim 5, it is characterised in that the weighing device also includes a display
Device, the display connects the controller.
7. automatic feeding system of weighing according to claim 6, it is characterised in that the communication module includes a wireless mould
Block and an antenna, the antenna connect the controller by the wireless module.
8. a kind of feeding method based on any one of the claim 3~7 automatic feeding system of weighing, including step：
S1：Initialization step；
S2：The wireless network set up between the master control end and each weighing device；
S3：Detect that each weighing device, with the presence or absence of abnormal, is returned when existing by the wireless network in the master control end
Step S1；Otherwise subsequent step is continued；
S4：Input control information simultaneously generates the configuration file of the correspondence weighing device according to the control information and matched somebody with somebody described
Put file and be sent to the corresponding weighing device；
S5：The weighing device is configured according to the configuration file received and generates one and weighed task；
S6：Weighing device task of weighing according to is weighed；
S7：The controller controls the hopper to feed intake；
S8：The controller sends a complement mark by the communication module to the master control end after the completion of feeding intake.
9. feeding method according to claim 8, it is characterised in that the S6 steps further comprise step：
S61：The controller is fed and Vibration on Start-up machine according to the charging gear described in task control of weighing to the pallet
Structure；
S62：The controller gathers the weight of current bait in the hopper by the pressure sensor in real time；
S63：The controller judges whether the weight of the bait reaches the preset weight in the task of weighing；As described
The weight of bait is less than the preset weight, return to step S61；The weight of bait is equal to the preset weight as described, stops
The feed of the charging gear, the controller is by controlling the hopper motor to close the hopper hatch door and continuing follow-up step
Suddenly.
10. feeding method according to claim 9, it is characterised in that the master control end includes a database, the number
Include weighing device positional information, feed kind of information, feed quantity information, single part of feed relative information, release time according to storehouse
Information and argument information；
Also include step after the S8 steps：By database described in the complement mark typing, the complement mark includes this
The release time information delivered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710395416.1A CN107197807A (en) | 2017-05-26 | 2017-05-26 | Automatic weigh feeding system and feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710395416.1A CN107197807A (en) | 2017-05-26 | 2017-05-26 | Automatic weigh feeding system and feeding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107197807A true CN107197807A (en) | 2017-09-26 |
Family
ID=59906638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710395416.1A Pending CN107197807A (en) | 2017-05-26 | 2017-05-26 | Automatic weigh feeding system and feeding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107197807A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708272Y (en) * | 2004-07-08 | 2005-07-06 | 成都英麦电子有限公司 | Loader electronic weighing device |
| CN203827880U (en) * | 2014-05-20 | 2014-09-17 | 青岛海兴电子有限公司 | Bait feeding machine |
| CN204820043U (en) * | 2015-06-29 | 2015-12-02 | 东莞市金利威磨料磨具有限公司 | Material system is thrown to shale shaker |
-
2017
- 2017-05-26 CN CN201710395416.1A patent/CN107197807A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708272Y (en) * | 2004-07-08 | 2005-07-06 | 成都英麦电子有限公司 | Loader electronic weighing device |
| CN203827880U (en) * | 2014-05-20 | 2014-09-17 | 青岛海兴电子有限公司 | Bait feeding machine |
| CN204820043U (en) * | 2015-06-29 | 2015-12-02 | 东莞市金利威磨料磨具有限公司 | Material system is thrown to shale shaker |
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Application publication date: 20170926 |
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