CN107646771A - Metal line code automatic checkout equipment - Google Patents
Metal line code automatic checkout equipment Download PDFInfo
- Publication number
- CN107646771A CN107646771A CN201710676577.8A CN201710676577A CN107646771A CN 107646771 A CN107646771 A CN 107646771A CN 201710676577 A CN201710676577 A CN 201710676577A CN 107646771 A CN107646771 A CN 107646771A
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- CN
- China
- Prior art keywords
- parts
- swing arm
- fish
- frame
- metal line
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The present invention discloses a kind of metal line code automatic checkout equipment, belong to metal detecting apparatus field, this detection device includes frame, the transport mechanism being placed in frame, the industrial computer of frame side placement, transport mechanism horizontal setting is above frame, the industrial computer of frame side placement, industrial computer horizontal connection inductor, inductor horizontal setting is square on the transfer mechanism, the swing arm being connected with frame is provided with rear side of inductor, pipeline is provided between transport mechanism and inductor, tipping bucket is provided with below the delivery port of pipeline, corresponding collection fish tank is provided with below tipping bucket, the detection device of the present invention can detect metal line code in Fish and the fish to detection is classified, detection process automatic control, detection accuracy is high, can statistic mixed-state quantity.
Description
Technical field
The invention belongs to metal detecting apparatus field, and in particular to a kind of metal line code automatic checkout equipment.
Background technology
The migration of researching fish and a kind of method of the stock of fish.Put after the fish captured in natural water area are marked
Raw water domain is gone back to, can the situation such as migration, distribution, growth and resource of researching fish according to this during recapture.1886,
Petersen etc. is using the size and the death rate of the method estimation closing water body Mesichthyes population for making to indicate to fish, tagging
Thus (tagged releasing) technology grows up, be usually expelled in fish body and carry out with RFID RF tags now
Researching fish, need in a kind of recognizable fish body whether containing RFID frequencies to penetrate mark, knowledge of the prior art when capturing
Other device is likely to occur error in identification process, and other metallicses eaten by mistake in fish body are regarded into RF tag, influences
The screening of fish, existing RF tag are not suitable for large-scale application and release effect in the stock enhancement of natural environment because expensive
Fruit follow-up study.
Prior art, such as Chinese invention mandate, patent document, the B of Authorization Notice No. CN 103901500, the disclosure of the invention
A kind of metal detection device, including frame, are provided with transfer roller in frame, and transfer roller is horizontally installed on frame top, below transfer roller
Control panel is installed, control panel both ends are fixed on frame medial surface, and control panel is provided with control button, and control panel is pressed with control
Button is electrically connected by control line, in addition to castor, and castor both ends are rotatably connected to be examined in frame medial surface, castor provided with metal
Device is surveyed, conveyer belt is installed on metal detector, conveyer belt is horizontally through metal detector, installed respectively at the top of metal detector
There are roll stand and regulating bolt, regulating bolt is examined through metal detector and conveying band connection, the interior infrared ray that is provided with of metal detector
Survey device.The metal detection device can detect to metal device well, and can be adjusted in detection process, convenient
Detection is more accurate, while has the function of infrared induction detection concurrently, further enhances detection accuracy, to a certain extent
Detection efficiency is improved, but the effect that the device is used to detect in living objects also has lifting.
The content of the invention
It is an object of the invention to provide metal line code in a kind of detectable Fish and to the fish of detection according to whetheing there is gold
Category mark is classified, and detection process automatic control, detection accuracy is high, can statistic mixed-state quantity a kind of metal line code
Automatic checkout equipment.
The scheme taken to achieve the above object of the present invention is：Metal line code automatic checkout equipment, including frame, placement
Transport mechanism in frame, the industrial computer of frame side placement, transport mechanism horizontal setting is above frame, frame side peace
The industrial computer put, industrial computer horizontal connection inductor, inductor horizontal setting side on the transfer mechanism, be provided with rear side of inductor with
The swing arm of frame connection, pipeline is provided between transport mechanism and inductor, tipping bucket, tipping bucket lower section are provided with below the delivery port of pipeline
Provided with corresponding collection fish tank, it is right below inductor that the dead fish that need to be detected is sent to by detection device of the invention by transport mechanism
Fish are detected, and control swing arm to classify dead fish by testing result, and the dead fish in vivo without metal line code passes through biography
End of tape is sent, the dead fish for having metal line code in vivo slides away or is pushed out from transport mechanism side along swing arm；By in pipe
Road entrance is put into live fish（Fry）Inductor is flowed to using impulsive force to be detected, industrial computer control bucket tipping gear enters live fish
Row is classified, and the speed of conveyer belt and detection precision, intelligence degree are high in whole process industrial computer whole-process control transport mechanism.
Preferably, transport mechanism includes conveyer belt and transmission wheel, and conveyer belt is around in transmission wheel in a ring, and transmission wheel is distributed on
On the inside of conveyer belt both ends, at least one and motor connection in transmission wheel, dead fish is transmitted using conveyer belt, it is simple and quick, and be beneficial to
Transport mechanism is safeguarded, the setting of transmission wheel is applied not only to drive conveyer belt to rotate, and is additionally operable to improve the tensioning of conveyer belt.
Preferably, transmission belt surface is evenly equipped with rectangular recess, and groove is connected by the reservoir inside connecting hole and conveyer belt
Logical, reservoir lower end is arc, and reservoir lowermost end is provided with outage, and being provided with plug in outage is blocked up, and conveyer belt two sides are provided with
Baffle plate, because part fish can secrete stickum, if stickum remains in transmission belt surface and can reduce the frictional force of conveyer belt,
Fish meeting quick sliding, is unfavorable for Detection results and classification effectiveness, and passing through the groove of design reduces fish and transmission belt surface contact surface
Product, and collecting mucus using reservoir further prevents mucus from reducing conveyer belt frictional force.
Preferably, swing arm is placed in above transport mechanism, between the two away from 1/10 ~ 3/10 for swing arm thickness, beneficial to swing arm
Guiding fish slide out conveyer belt, avoid swing arm too low or too high fish classification inefficient or can not utilize conveyer belt by fish along pendulum
Arm slides out conveyer belt, and swing arm tail end is connected by rotating bar with swing arm controller, and swing arm controller is placed under transport mechanism
Side and frame surface is placed in, swing arm controller is connected with industrial computer, can be achieved to turn swing arm by swing arm controller after fish detection
It is dynamic that dead fish is classified.
Preferably, swing arm is stainless steel, and each parts surface of swing arm is coated with slip coating, slip coating by below into
Divide and parts by weight form：Silicone acrylic emulsion 8-24 parts, polyvinyl alcohol 6-10 parts, dioctyl ester 1-2 parts, sodium benzoate 0.1-0.2 parts, pottery
Porcelain fiber 2-6 parts, 5 (6)-Fluoresceincarboxylic acid 0.2-0.7 parts, particle mean size be 1-2 μm crystalline flake graphite 20-30 parts, N- (2,4,
6- trichlorophenyls) maleimide 1-2 parts, termil 1-2 parts, diatomite 1-2 parts, aluminium nitride 2-3 parts, anhydrous chlorine
Change calcium 1-2 parts, adhesive aid 7-15 parts, deionized water 75-90 parts, transmission belt surface is used to transmit dead fish, because fish is dead
The slip on surface is not very high, by coating slip coating on swing arm surface and passing through drying and processing, significantly improves swing arm
Surface smoothness, swing arm is effectively ensured and guides dead fish to slide out conveyer belt along swing arm direction, fish and swing arm mantle friction system
Number is low, will not cause frictionally damage to fish, ensure the classification effectiveness and accuracy of swing arm, by adding 5 in slip coating
(6)-Fluoresceincarboxylic acid significantly improves the surface smoothness energy and adhesiveness of slip coating, reduces the coefficient of friction of coating surface,
Beneficial to the operating efficiency for improving swing arm, while this slip coating also has anti-fouling effect, and coating taste is pure and fresh, is not pungent.
Preferably, high-frequency generator, concussion detector, audio frequency oscillator, power oscillator and meter are connected with inductor
Number device, the detection accuracy of this detection device can be obviously improved by above-mentioned detector, avoids slipping up, such as will have been gulped down in vivo
The fish of metal is considered as the fish for having metal line code in vivo.
Preferably, swing arm two sides are connected with push pedal by spring, when being contacted using the elasticity reduction fish of spring with swing arm
Moment impulse force avoid fish body from damaging, be additionally favorable for reducing the probability of swing arm bending, can prevent dead fish and swing arm from impacting for a long time to cause
The boot efficiency of swing arm Bending Influence swing arm, spring pass through magnetization treatment in 0.1T-0.2T magnetic fields, using containing magnetic spring
Power is played a role to metal line code, is advantageous to improve classification effectiveness of the swing arm to fish.
Compared with prior art, beneficial effects of the present invention are：1）The detection device of the present invention need to by transport mechanism
The dead fish of detection is sent to below inductor and fish is detected, and controls swing arm to divide dead fish by testing result
Class, the dead fish in vivo without metal line code by transmitting end of tape, have in vivo the dead fish of metal line code from transport mechanism side along
Swing arm slides away or is pushed out；Detected by being put into live fish in entrance and flowing to inductor using impulsive force, work
Control machine control bucket tipping gear live fish is classified, in whole process industrial computer whole-process control transport mechanism the speed of conveyer belt and
Precision is detected, intelligence degree is high；2）Slip coating is coated on swing arm surface and passes through drying and processing, significantly improves swing arm
Surface smoothness, swing arm is effectively ensured and guides dead fish to slide out conveyer belt along swing arm direction, fish and swing arm mantle friction system
Number is low, will not cause frictionally damage to fish, ensure the classification effectiveness and accuracy of swing arm；3）Swing arm two sides are connected by spring
There is push pedal, moment impulse force when fish contacts with swing arm is reduced using the elasticity of spring and avoids fish body from damaging, is additionally favorable for reducing swing arm
The probability of bending.
Present invention employs the metal line code automatic checkout equipment that above-mentioned technical proposal provides, prior art compensate for not
Foot, it is reasonable in design, it is easy to operate.
Brief description of the drawings
Fig. 1 is metal line code automatic checkout equipment front view of the present invention；
Fig. 2 is metal line code automatic checkout equipment side view of the present invention；
Fig. 3 is metal line code automatic checkout equipment top view of the present invention；
Fig. 4 is for the present invention using transport mechanism to fish classification fundamental diagram；
Fig. 5 is for the present invention using pipeline to fish classification fundamental diagram；
Fig. 6 is the conveyer belt sectional view of the present invention；
Fig. 7 is the structural representation of swing arm of the present invention；
Fig. 8 is that the equipment schematic diagram after pipeline and tipping bucket is removed in the embodiment of the present invention 2.
Description of reference numerals：1 industrial computer；2 inductors；3 conveyer belts；301 reservoirs；4 swing arms；401 springs；5 frames；6
Swing arm controller；7 rotating bars；8 baffle plates；9 transmission wheels；10 pipelines；11 tipping buckets.
Embodiment
The present invention is described in further detail with accompanying drawing with reference to embodiments：
Embodiment 1：
As shown in figs. 1-7, metal line code automatic checkout equipment, including frame 5, the transport mechanism being placed in frame 5, conveyer
Structure includes conveyer belt 3 and transmission wheel 9, and conveyer belt 3 is around in transmission wheel 9 in a ring, and transmission wheel 9 is distributed on the inside of the both ends of conveyer belt 3,
At least one and motor connection in transmission wheel 9, the industrial computer 1 of the side of frame 5 placement, transport mechanism horizontal setting is in frame 5
Side, the industrial computer 1 of the side of frame 5 placement, the horizontal connection inductor 2 of industrial computer 1, high-frequency generator, shake are connected with inductor 2
Detector, audio frequency oscillator, power oscillator and counter are swung, the horizontal setting of inductor 2 is square on the transfer mechanism, inductor 2
Rear side is provided with the swing arm 4 that be connected with frame 5, and swing arm 4 is placed in transport mechanism top, between the two away from 1/5 for the thickness of swing arm 4,
The tail end of swing arm 4 is connected by rotating bar 7 with swing arm controller 6, and swing arm controller 6 is placed in below transport mechanism and is placed in machine
The surface of frame 5, swing arm controller 6 are connected with industrial computer 1, and pipeline 10, the water outlet of pipeline 10 are provided between transport mechanism and inductor 2
Tipping bucket 11 is provided with below mouthful, the lower section of tipping bucket 11 is provided with corresponding collection fish tank, and the surface of conveyer belt 3 is evenly equipped with rectangular recess, and groove leads to
Cross connecting hole to connect with the reservoir 301 inside conveyer belt 3, the lower end of reservoir 301 is arc, and the lowermost end of reservoir 301 is provided with
Outage, the interior plug that is provided with of outage is stifled, and the two sides of conveyer belt 3 are provided with baffle plate 8, and the two sides of swing arm 4 are connected with by spring 401 and pushed away
Plate 402, spring 401 pass through magnetization treatment in 0.2T magnetic fields.
The detection device of the present invention can remove pipeline 10 and tipping bucket 11 before dead fish is detected, and be imitated beneficial to dead fish detection is improved
Rate, the dead fish that need to be detected is sent to by the lower section of inductor 2 by transport mechanism fish are detected, and pass through testing result control
Swing arm 4 processed is classified to dead fish, and the dead fish in vivo without metal line code has the dead fish of metal line code in vivo by transmitting end of tape
Slide away or be pushed out from transport mechanism side along swing arm 4；When detecting live fish, conveyer belt 3 acts with the stopping of swing arm 4,
Detected by being put into live fish in the entrance of pipeline 10 and flowing to inductor 2 using impulsive force, industrial computer controls tipping bucket 11 to work
Fish is classified, and the speed of conveyer belt 3 and detection precision, intelligent in the whole-process control transport mechanism of whole process industrial computer 1
Degree is high.
4 each parts surface of swing arm is coated with slip coating, and slip coating is made up of following component and parts by weight：Silicone acrylic emulsion
12 parts, 8 parts of polyvinyl alcohol, 1 part of dioctyl ester, 0.15 part of sodium benzoate, 4 parts of ceramic fibre, 0.28 part of 5 (6)-Fluoresceincarboxylic acid,
26 parts of the crystalline flake graphite, 1 part of N- (2,4,6- trichlorophenyls) maleimide, termil 2 that particle mean size is 1-2 μm
Part, 1 part of diatomite, 2 parts of aluminium nitride, 1 part of anhydrous calcium chloride, 12 parts of adhesive aid, 82 parts of deionized water, adhesive aid is by following
Composition and parts by weight composition：68 parts of styrene-acrylic emulsion, 7 parts of bassora gum, 1 part of ZPT, 4 parts of sodium silicoaluminate, polyacrylic acid fourth
1 part of ester, 2 parts of hydroxyethyl cellulose, 0.18 part of DBPC 2,6 ditertiary butyl p cresol, 27 parts of water；The surface of conveyer belt 3 is used to transmit extremely
Fish, due to fish, the slip on surface has not been very high in the dust, by coating slip coating and by drying on the surface of swing arm 4
Reason, the surface smoothness of swing arm 4 is significantly improved, swing arm 4 is effectively ensured and guides dead fish to slide out conveyer belt 3 along the direction of swing arm 4,
Fish is low with the skin-friction coefficient of swing arm 4, and frictionally damage will not be caused to fish, ensures the classification effectiveness and accuracy of swing arm 4, passes through
The surface smoothness energy and adhesiveness that 5 (6)-Fluoresceincarboxylic acid significantly improves slip coating are added in slip coating, reduces and applies
Expect the coefficient of friction on surface, beneficial to the operating efficiency for improving swing arm 4, while this slip coating also has anti-fouling effect, coating taste
Road is pure and fresh, is not pungent.
Embodiment 2：
As shown in figures 1-8, during metal line code automatic checkout equipment real work of the invention：
When detecting dead fish：It will first be removed on pipeline 10 and the slave unit of tipping bucket 11, as shown in figure 8, being advantageous to improve the detection of dead fish
Efficiency, the dead fish that need to detect screening is put on conveyer belt 3, industrial computer 1 controls the transfer rate of conveyer belt 3, when dead fish reaches
Behind the lower section of inductor 2, high-frequency generator, concussion detector, audio frequency oscillator, power oscillator in inductor 2 enter to dead fish
Row is detected and counter is counted, and inductor 2 transfers data to industrial computer 1 and judges metal line code, work are whether there is in fish body
Order is transported to swing arm controller 6 by control machine 1, if without metal line code in dead fish body, swing arm 4 is motionless to allow dead fish to be sent to conveyer belt
3 tail ends are dropped on the side of frame 5 and disposed in fish collector, if having metal line code swing arm controller 6 in fish body by rotating bar 7
Swing arm 4 is rotated, changes the transmission route of fish, fish is slid onto along swing arm 4 in the fish collector that the side of frame 5 is provided with,
The record data of industrial computer 1, complete to whether there is the detection of metal line code in dead fish body.
When detecting live fish, controlled by industrial computer 1 and stop conveyer belt 3 and swing arm controller 6, avoid detecting shadow to live fish
Sound and waste of energy, the live fish that need to detect screening are put into the arrival end of pipeline 10, and live fish passes through under inductor 2 along current
Side, inductor 2 are detected and counted to live fish, and industrial computer 1 judges metal line code is whether there is in live fish body, and controls tipping bucket 11,
If there is metal wire mark tipping bucket 11 to turn to left side in fish body, if turning to right side without metal wire mark tipping bucket in fish body, live fish moves about to pipe
Direction of the outlet in road 11 along tipping bucket 11, which glides, drops into i.e. classification of the completion to live fish in fish collector, when a fish is complete
The next live fish that need to be detected is put into pipeline 11 again after into detection and detected.
Routine techniques or routine operation of the present invention are well known to those skilled in the art, herein without repeating.
Technical scheme is described in detail embodiment described above, it should be understood that it is described above only
For the specific embodiment of the present invention, it is not intended to limit the invention, all any modifications made in the spirit of the present invention,
Supplement or similar fashion replacement etc., should be included in the scope of the protection.
Claims (7)
1. metal line code automatic checkout equipment, including frame（5）, it is placed in frame（5）On transport mechanism, frame（5）Side
The industrial computer of placement（1）, it is characterised in that：The transport mechanism horizontal setting is in frame（5）Top, the frame（5）Side
The industrial computer of placement（1）, the industrial computer（1）Horizontal connection inductor（2）, the inductor（2）Horizontal setting is in conveyer
Above structure, the inductor（2）Rear side is provided with and frame（5）The swing arm of connection（4）, the transport mechanism and inductor（2）It
Between be provided with pipeline（10）, the pipeline（10）Delivery port below be provided with tipping bucket（11）, the tipping bucket（11）Lower section is provided with corresponding
Collection fish tank.
2. metal line code automatic checkout equipment according to claim 1, it is characterised in that：The transport mechanism includes transmission
Band（3）And transmission wheel（9）, conveyer belt（3）Transmission wheel is around in a ring（9）, the transmission wheel（9）It is distributed on conveyer belt（3）Two
End inner side, the transmission wheel（9）In at least one and motor connection.
3. metal line code automatic checkout equipment according to claim 2, it is characterised in that：The conveyer belt（3）Surface is equal
Rectangular recess is furnished with, the groove passes through connecting hole and conveyer belt（3）Internal reservoir（301）Connection, the reservoir
（301）Lower end is arc, the reservoir（301）Lowermost end is provided with outage, and being provided with plug in the outage blocks up, the transmission
Band（3）Two sides are provided with baffle plate（8）, the baffle plate（8）Top surface is less than pipeline（10）Bottom surface.
4. metal line code automatic checkout equipment according to claim 1, it is characterised in that：The swing arm（4）It is placed in biography
Send above mechanism, between the two away from for swing arm（4）The 1/10 ~ 3/10 of thickness, the swing arm（4）Tail end passes through rotating bar（7）With pendulum
Arm controller（6）Connection, the swing arm controller（6）It is placed in below transport mechanism and is placed in frame（5）Surface, swing arm control
Device processed（6）With industrial computer（1）Connection.
5. metal line code automatic checkout equipment according to claim 1, it is characterised in that：The swing arm（4）For stainless steel
Material, the swing arm（4）Each parts surface is coated with slip coating, and the slip coating is made up of following component and parts by weight：
Silicone acrylic emulsion 8-24 parts, polyvinyl alcohol 6-10 parts, dioctyl ester 1-2 parts, sodium benzoate 0.1-0.2 parts, ceramic fibre 2-6 parts, 5
(6)-Fluoresceincarboxylic acid 0.2-0.7 parts, crystalline flake graphite 20-30 parts that particle mean size is 1-2 μm, N- (2,4,6- trichlorophenyls) horse
Carry out acid imide 1-2 parts, termil 1-2 parts, diatomite 1-2 parts, aluminium nitride 2-3 parts, anhydrous calcium chloride 1-2 parts, viscous
Tie auxiliary agent 7-15 parts, deionized water 75-90 parts.
6. metal line code automatic checkout equipment according to claim 1, it is characterised in that：The inductor（2）Interior connection
There are high-frequency generator, concussion detector, audio frequency oscillator, power oscillator and counter.
7. metal line code automatic checkout equipment according to claim 1, it is characterised in that：The swing arm（4）Two sides lead to
Cross spring（401）It is connected with push pedal（402）, the spring（401）Pass through magnetization treatment in 0.1T-0.2T magnetic fields.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676577.8A CN107646771A (en) | 2017-08-09 | 2017-08-09 | Metal line code automatic checkout equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676577.8A CN107646771A (en) | 2017-08-09 | 2017-08-09 | Metal line code automatic checkout equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107646771A true CN107646771A (en) | 2018-02-02 |
Family
ID=61128392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676577.8A Pending CN107646771A (en) | 2017-08-09 | 2017-08-09 | Metal line code automatic checkout equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107646771A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108651356A (en) * | 2018-04-03 | 2018-10-16 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | A kind of fish measurement method and its device |
| CN113040069A (en) * | 2021-03-22 | 2021-06-29 | 浙江海洋大学 | Metal wire code magnetizing and detecting integrated machine |
| CN113057212A (en) * | 2021-04-02 | 2021-07-02 | 东营市阔海水产科技有限公司 | Dead shrimp sorting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108651356A (en) * | 2018-04-03 | 2018-10-16 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | A kind of fish measurement method and its device |
| CN108651356B (en) * | 2018-04-03 | 2021-05-28 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | Fish measuring method and device |
| CN113040069A (en) * | 2021-03-22 | 2021-06-29 | 浙江海洋大学 | Metal wire code magnetizing and detecting integrated machine |
| CN113057212A (en) * | 2021-04-02 | 2021-07-02 | 东营市阔海水产科技有限公司 | Dead shrimp sorting device |
| CN113057212B (en) * | 2021-04-02 | 2022-05-31 | 东营市阔海水产科技有限公司 | Dead shrimp sorting device |
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Application publication date: 20180202 |