CN114938789B - Automatic screening plant of golden yellow snakehead seedling - Google Patents
Automatic screening plant of golden yellow snakehead seedling Download PDFInfo
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- CN114938789B CN114938789B CN202210689734.XA CN202210689734A CN114938789B CN 114938789 B CN114938789 B CN 114938789B CN 202210689734 A CN202210689734 A CN 202210689734A CN 114938789 B CN114938789 B CN 114938789B
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- 238000012216 screening Methods 0.000 title claims abstract description 163
- 241001597062 Channa argus Species 0.000 title claims abstract description 31
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 34
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 8
- 241000251468 Actinopterygii Species 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 241000764908 Channa stewartii Species 0.000 abstract description 22
- 238000007599 discharging Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 238000009395 breeding Methods 0.000 description 6
- 230000001488 breeding effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007873 sieving Methods 0.000 description 4
- 241001417978 Channidae Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000012780 transparent material Substances 0.000 description 1
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- 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
- A01K61/90—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
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses an automatic golden yellow snakehead seedling screening device which comprises a screening barrel, wherein an electric telescopic structure used for driving a push-pull rod to move up and down is arranged on the screening barrel, a discharge nozzle and a pouring nozzle are respectively arranged on the left side and the right side of the upper part of the screening barrel, swing shafts are respectively arranged on the front side and the rear side of the screening barrel, the two swing shafts are respectively hinged to the upper end of a supporting frame, a first seedling box and a second seedling box are respectively arranged on the left side and the right side in the supporting frame, the screening barrel is erected above the second seedling box, a screen is positioned in the second seedling box, and an electric push rod used for driving the screening barrel to be changed from a state of being erected above the second seedling box to a state of being inclined towards the first seedling box is arranged on the screening barrel. The invention changes the situation that the seedlings are simply screened by the dead weight of the seedlings, the left side and the right side of the screening cylinder are respectively provided with the pouring nozzle and the discharging nozzle for loading and discharging the golden snakehead seedlings, the golden snakehead seedlings are firstly screened by pressing downwards through the elastic plug, and then the screening cylinder is poured and discharged, thereby realizing the mechanical high-efficiency screening.
Description
Technical Field
The invention relates to the technical field of snakehead sprout screening, in particular to an automatic golden yellow snakehead sprout screening device.
Background
Snakehead is snakehead fish of snakehead family and snakehead genus, general body color is gray black, body back and head top color are dark black, abdomen is light white, body side has irregular black plaque, and head side has black stripe; the odd fins have black and white spots, the even fins are gray yellow, and irregular spots are arranged among the even fins. However, the snakeheads with golden body color are cultivated by the breeding and breeding of our unit for many years, the golden snakeheads show not only the difference in body color but also the characteristic of faster growth speed compared with the common snakeheads, therefore, the method has good economic value, and an invention patent of a related breeding method is specially applied for the method, namely an invention patent with the patent application number of '2019107208817' and the patent name of 'a seed production method of golden snakehead', in the previous breeding process of the golden yellow snakeheads, some problems and requirements are discovered, the problems are solved one by one in recent years, no matter the operation method or related appliances are innovated, the technical innovation which is broken through in a point generation way is realized, therefore, the Chinese utility model patent with the patent application number of '2021221522558' and the patent name of 'an adjustable quantitative fishing device for golden yellow snakehead seedlings' is applied before, and mainly discloses an adjustable quantitative fishing device for golden yellow snakehead seedlings, which comprises a push-pull rod, a fishing cylinder, an elastic plug, scales, a semicircular fishing plate and a screen, wherein the fishing cylinder is made of hard transparent materials, the outer side wall of the fishing cylinder is provided with the scales which are sequentially increased from bottom to top, the elastic plug is embedded in the fishing cylinder in an interference manner, the upper end of the elastic plug is provided with the push-pull rod capable of upwards extending out of the fishing cylinder, the lower end of the fishing cylinder is provided with a concave curved surface structure, one half of the concave curved surface structure is the semicircular fishing plate with an arc-shaped plate-shaped structure, and the other half of the concave curved surface structure is the screen with a hard net-shaped structure, the traditional process of screening by the self weight of seedlings is changed, the efficiency of the process of screening by utilizing negative pressure is relatively high, and the small batch of snakehead seedlings fishing is suitable for breeding snakehead breeding, and the snakehead seedlings cannot be repeatedly screened like a mesh screen, and the damage to the snakehead seedlings is easily caused.
In recent research, the inventor finds that by improving a related structure, namely arranging a side loading and dumping box for loading and dumping golden snakehead seedlings at a certain position on the side wall of a catching cylinder, then arranging a full-coverage type screen at the bottom of the catching cylinder, changing the negative pressure used before, the golden snakehead seedlings can be screened by positive pressure, the loaded golden snakehead seedlings are screened, the golden snakehead seedlings larger than the screen meshes are remained in the catching cylinder, and the golden snakehead seedlings smaller than the screen meshes are discharged from the catching cylinder, compared with the traditional screening mode utilizing the self weight of the seedlings, the screening efficiency is relatively high, and the problem that the seedlings are easily damaged due to the fact that a screen is shaken in the past can be effectively avoided, and therefore, the inventor specially applies for the Chinese utility model patent with the patent application number of '2022213700596' and the patent name of 'push-press type screening device for the golden snakehead seedlings', and meanwhile, the golden snakehead automatic screening device is specially designed to meet the requirement for efficient screening.
Disclosure of Invention
Aiming at the existing problems, the invention provides an automatic golden snakehead seedling screening device, which changes the prior condition that screening is carried out only by the dead weight of seedlings, wherein the left side and the right side of a screening barrel are respectively provided with a pouring nozzle and a discharging nozzle for loading and discharging the golden snakehead seedlings, then the bottom of the screening barrel is provided with a full-coverage type screen, an electric telescopic structure is used for driving an elastic plug to move up and down, the golden snakehead seedlings in the screening barrel are screened by utilizing positive pressure generated in the downward moving process of the elastic plug in the screening barrel, the golden snakehead seedlings larger than the mesh of the screen are remained in a catching barrel, and the golden snakehead seedlings smaller than the mesh of the screen are discharged out of the catching barrel.
The technical scheme of the invention is as follows:
the invention provides an automatic golden yellow snakehead seedling screening device which comprises a push-pull rod, a screening cylinder, an elastic plug and a screen, wherein the elastic plug is embedded into the screening cylinder in an interference manner, the upper end of the elastic plug is provided with the push-pull rod capable of upwards extending out of the screening cylinder, the lower end of the screening cylinder is provided with the screen, the screening cylinder is provided with an electric telescopic structure for driving the push-pull rod to move up and down along the axis of the screening cylinder, the left side and the right side of the upper part of the screening cylinder are respectively provided with a discharge nozzle and a pouring nozzle, the elastic plug can move up and down in the screening cylinder along with the push-pull rod, the elastic plug is positioned above the discharge nozzle and the pouring nozzle under the condition that the elastic plug is positioned at the uppermost end of the upper and lower stroke, the front side and the rear side of the part, positioned below the discharge nozzle and the pouring nozzle, of the screening cylinder are respectively provided with swing shafts, the two swing shafts are respectively hinged to the upper end of a support frame, the support frame is in a box-shaped frame structure, a first seedling box and a second seedling box are respectively positioned above the vertical seedling screening cylinder, and a second seedling box is positioned above the electric seedling-separating partition plate, and the second seedling-separating cylinder is arranged between the first seedling-separating cylinder, and the second seedling-separating cylinder, and the electric telescopic structure, and the second seedling-separating cylinder are respectively arranged on the electric telescopic structure, and the second seedling-separating cylinder, and the electric telescopic structure.
Furthermore, a first drainage net and a second drainage net for overflowing excessive water are respectively arranged on the parts of the first seedling box and the second seedling box, which are positioned on the front side of the upper end of the first seedling box and the second seedling box.
Further, the electric telescopic structure comprises a first servo motor, an upper support plate, a right-angle reducer, a guide polished rod, a screw rod, an end cover and a sliding connecting plate, the push-pull rod upwards penetrates through the end cover at the upper end of the sieving cylinder, a plurality of guide polished rods are vertically arranged on the end cover, the upper end of each guide polished rod is provided with the upper support plate, the screw rod is hinged between the end cover and the upper support plate, the sliding connecting plate is nested on the screw rod in a threaded manner, the sliding connecting plate is further nested on the guide polished rod, the lower end of the sliding connecting plate is fixedly connected with the push-pull rod, the upper support plate is provided with the first servo motor for driving the screw rod to rotate, the first servo motor is electrically connected with the controller, the controller controls the first servo motor to drive the screw rod to rotate, and the sliding connecting plate is driven to move up and down along the guide polished rod by the rotation of the screw rod, so that the push-pull rod can move up and down.
Further, when the push-pull rod is in the state that the push-pull rod is at the lowest end of the moving stroke, the elastic plug is not in contact with the screen and the lower end face of the elastic plug is flush with the water surface in the second seedling box.
Further, the outside of pouring into the mouth is equipped with the switch, the switch is used for to controller transmission control electric putter's the signal of opening and close for to pouring into under the state that the mouth was accomplished and is poured not sieve fry into, the electronic extending structure drive push-and-pull rod of controller control accomplishes the stroke that once reciprocated, controller control electric putter shrink then, drive the screening section of thick bamboo by erectting the state above the second kind of seedling case and towards the state transition of first kind of seedling case slope, the fish body after the screening is poured into at first kind of seedling incasement from the discharge mouth.
Furthermore, an auxiliary screening window is communicated on the side wall, close to the intermediate partition plate, of the lower portion of the screening barrel, a screening pore plate is arranged in the auxiliary screening window, sealing slideways extending along the axis of the screening barrel are arranged on the front side and the rear side of the auxiliary screening window respectively, a sealing plate used for sealing and blocking the auxiliary screening window is arranged between the two sealing slideways in a sealing mode, and an electric push-pull structure used for upwards pulling the sealing plate to open the auxiliary screening window is arranged between the middle portion of the sealing plate and the middle portion of the screening barrel.
Further, electronic push-and-pull structure includes screw thread draw bar, spiro union piece and second servo motor, second servo motor sets up on the middle part of screening section of thick bamboo and is connected with screw thread draw bar down, screw thread nest has the spiro union piece on the screw thread draw bar, the spiro union piece is fixed to be set up on the closing plate.
Further, the screen cloth is circular structure and the fixed lower go-between that is equipped with in border department, and lower go-between detachably is connected with the go-between, go up the fixed lower extreme that sets up at the screening section of thick bamboo of go-between.
Further, the upper connecting ring and the lower connecting ring are connected together through bolts.
Furthermore, a horizontal carrier plate is fixedly arranged on the outer side wall of the screening cylinder and below the discharge port, a threaded lifting rod is hinged between the horizontal carrier plate and the upper connecting ring, and the upper end of the threaded lifting rod extending out of the horizontal carrier plate is connected with a second servo motor on the horizontal carrier plate.
Due to the adoption of the technology, compared with the prior art, the invention has the following specific positive beneficial effects:
1. the golden snakehead fish seed screening device changes the prior art that the golden snakehead fish seeds are simply screened by the self-weight of the seeds, the left side and the right side of the screening barrel are respectively provided with a pouring nozzle and a discharging nozzle which are used for loading and discharging the golden snakehead fish seeds, then the bottom of the screening barrel is provided with a full-coverage type screen, an elastic plug is driven to move up and down through an electric telescopic structure, the golden snakehead seeds in the screening barrel are screened by utilizing positive pressure generated in the downward moving process of the elastic plug in the screening barrel, the golden snakehead seeds larger than the meshes of the screen are remained in the catching barrel, and the golden snakehead seeds smaller than the meshes of the screen are discharged out of the catching barrel.
2. In order to avoid the escape of the fry along with the water body caused by the overflow of the water bodies in the first seedling box and the second seedling box, a first drainage net and a second drainage net for overflowing the redundant water body are respectively arranged on the parts of the upper ends of the first seedling box and the second seedling box.
3. In order to further improve the screening effect, namely, one side of the screening cylinder is used for assisting and strengthening the screening effect of the screen after the screening cylinder swings, an auxiliary screening window is particularly arranged on one side, close to the middle partition plate, of the screening cylinder, a screening pore plate is arranged in the auxiliary screening window, and a sealing plate capable of being opened and closed electrically is arranged on the auxiliary screening window, so that the sealing plate can seal and block the auxiliary screening window in the downward moving process of an elastic plug, and the sealing plate is far away from the auxiliary screening window to open the auxiliary screening window when the screening cylinder swings under the action of an electric push rod, so that the screening pore plate can screen the fry again after the screening cylinder swings.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of the present invention with the upper cover removed;
FIG. 4 is a top view of the structure shown in FIG. 3;
FIG. 5 isbase:Sub>A cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic structural diagram of a second embodiment of the present invention;
fig. 7 is a schematic structural diagram related to a screening drum in the second embodiment of the present invention.
In the figure: 1-upper cover body, 2-discharge nozzle, 3-pulling cross rod, 4-electric push rod, 5-first drainage net, 6-first seedling box, 7-controller, 8-swinging shaft, 9-middle partition board, 10-sieving barrel, 11-upper connecting ring, 12-sieve, 13-second seedling box, 14-lower connecting ring, 15-second drainage net, 16-support frame, 17-pouring nozzle, 18-first servo motor, 19-upper support plate, 20-right-angle speed reducer, 21-guide polished rod, 22-screw rod, 23-push-pull rod, 24-end cover, 25-sliding connecting plate, 26-elastic plug, 27-horizontal support plate, 28-threaded pull rod, 29-screw-connecting block, 30-sealing plate, 31-sealing slide way, 32-second servo motor and 33-sieving pore plate.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-5, the present invention provides an automated yellow snakehead seedling screening device, which comprises a push-pull rod 23, a screening cylinder 10, an elastic plug 26 and a screen 12, wherein the upper portion of the screening cylinder 10 is embedded with the elastic plug 26 made of rubber in an interference manner, the upper end of the elastic plug 26 is embedded with an embedded circular plate, the upper end surface of the embedded circular plate is provided with the push-pull rod 23 extending upwards out of the elastic plug 26, the push-pull rod 23 can extend upwards out of the screening cylinder 10, the lower end of the screening cylinder 10 is provided with an upper connecting ring 11, the upper connecting ring 11 is connected with a lower connecting ring 14 through a detachable connection such as a bolt connection and a lock connection, the lower connecting ring 14 is fixedly provided with the circular screen 12, the screening cylinder 10 is provided with an electric telescopic structure for driving the push-pull rod 23 to move up and down along the axis of the screening cylinder 10, the upper end of the screening cylinder 10 is provided with an upper cover body 1 for wrapping the electric telescopic structure, the left side and the right side of the upper part of the screening cylinder 10 are respectively provided with a discharge nozzle 2 and a pouring nozzle 17, an elastic plug 26 can move up and down in the screening cylinder 10 along with a push-pull rod 23, the elastic plug 26 is positioned above the discharge nozzle 2 and the pouring nozzle 17 under the state that the elastic plug 26 is positioned at the uppermost end of the upper stroke and the lower stroke, the front side and the rear side of the part of the screening cylinder 10 positioned below the discharge nozzle 2 and the pouring nozzle 17 are respectively provided with a swinging shaft 8, the two swinging shafts 8 are respectively hinged at the upper end of a supporting frame 16, the supporting frame 16 is of a box-shaped frame structure, a first seedling box 6 and a second seedling box 13 are respectively arranged in the left-right direction inside the supporting frame 16, the screening cylinder 10 is suspended and erected above the second seedling box 13, a screen 12 is positioned in the second seedling box 13, an intermediate partition plate 9 is arranged between the first seedling box 6 and the second seedling box 13, and in order to avoid that water in the first seedling box 6 and the second seedling box 13 overflows to cause fish fry to escape along with a piece of water, be equipped with the first drainage network 5 and the second drainage network 15 that are used for the surplus water of overflow on the part that first kind seedling case 6 and second kind seedling case 13 are in the upper end front side respectively, be equipped with on the screening section of thick bamboo 10 and be used for driving the screening section of thick bamboo 10 by erect the state above second kind seedling case 13 towards the electric putter 4 of the state transition of first kind seedling case 6 slope, the upper end of electric putter 4 articulates on the pulling horizontal pole 3 of the upper portion rear side of screening section of thick bamboo 10 and the lower extreme articulates the part that braced frame 16 is in first kind seedling case 6 rear side.
The electric telescopic structure comprises a first servo motor 18, an upper support plate 19, a right-angle reducer 20, guide polished rods 21, screws 22, an end cover 24 and a sliding connecting plate 25, a push-pull rod 23 upwards penetrates through the end cover 24 at the upper end of the sieving cylinder 10, a plurality of guide polished rods 21 are vertically arranged on the end cover 24, the upper support plate 19 is arranged at the upper end of each guide polished rod 21, the screws 22 are hinged between the end cover 24 and the upper support plate 19, the sliding connecting plate 25 is nested on the screws 22 in a threaded manner, the sliding connecting plate 25 is further nested on the guide polished rods 21, the lower end of the sliding connecting plate is fixedly connected with the push-pull rod, the upper support plate 19 is provided with the first servo motor 18 and the right-angle reducer 20 for driving the screws 22 to rotate, the first servo motor 18 is electrically connected with the controller 7, the controller 7 controls the first servo motor 18 to rotate, the first servo motor 18 drives the screws 22 to rotate through the right-angle reducer 20, the sliding connecting plate 25 is driven by the rotation of the screws 22 to move up and down along the guide polished rods 21, and up and down movement of the push-pull rod 23 is achieved.
In order to ensure that the elastic plug 26 is not pressed downwards excessively during screening, so that the fish fry is pressed to be dead between the elastic plug 26 and the screen 12, namely, a space for allowing the screened fish fry to stay is reserved between the elastic plug 26 and the screen 12, two points need to be noticed, namely, the screen 12 is sunk into the second fry box 13 to a depth lower than the height of the second drainage net 15; secondly, in the state that the push-pull rod 23 is at the lowest end of the moving stroke of the push-pull rod 23, the elastic plug 26 is not contacted with the screen 12, and the lower end surface is flush with the water surface in the second seedling box 13.
In order to conveniently control that unscreened fry are poured into the pouring nozzle 17 each time and then the whole device is controlled to be allowed once, a switch is arranged on the outer side of the pouring nozzle 17 and used for transmitting a signal for controlling the electric push rod 4 to be opened and closed to the controller 7, so that when the pouring nozzle 17 finishes pouring the unscreened fry, the controller 7 controls the electric telescopic structure to drive the push-pull rod 23 to finish the stroke of once up and down movement, then the controller 7 controls the electric push rod 4 to be contracted to drive the screening cylinder 10 to be changed from the state of being erected above the second fry box 13 to the state of being inclined towards the first fry box 6, and screened fish bodies are poured into the first fry box 6 from the discharging nozzle 2.
The mechanism of use: when the device is used, golden yellow snakehead fry is mixed with water and poured into the vertical screening cylinder 10 from the pouring nozzle 17, then the switch is turned on, the elastic plug 26 moves downwards from the upper part of the screening cylinder 10 to apply pressure, the fry is screened once, the elastic plug 26 returns after screening is completed, then the electric push rod 4 contracts, the screening cylinder 10 inclines until the pouring nozzle inclines towards the first fry box 6, the work of discharging the screened fry is completed, then the electric push rod 4 extends, the screening cylinder 10 is reset to be in a vertical state, and the switch is started for screening next time.
The second embodiment:
as shown in fig. 6 and 7, in order to further improve the screening effect, that is, after the screening drum 10 swings, the screening effect of the screen 12 is enhanced by using one side of the screening drum 10, in particular, an auxiliary screening window is arranged on one side of the screening drum 10 close to the middle partition 9, a screening orifice 33 is arranged in the auxiliary screening window, vertically and upwardly extending sealing slideways 31 are respectively arranged on the front side and the rear side of the auxiliary screening window, a sealing plate 30 capable of completely shielding the auxiliary screening window is embedded between the two sealing slideways 31, the sealing plate 30 is in a bent plate-shaped structure capable of being attached to the side wall of the screening drum 10, the end part of the sealing plate 30 embedded in the sealing slideway 31 is provided with a rubber elastic sealing gasket, so that the sealing plate 30 can move up and down along the sealing slideway 31 and can shield the auxiliary screening window and form a sealing state, the sealing plate 30 moves along the sealing slideway 31, a screw block 29 on the sealing plate 30 is generated by the movement of the screw block 29 on the sealing plate 30 relative to the screw lifting rod 28 on the screening drum 10, that a portion below the screening nozzle is arranged on the screening drum 10, that a portion below the screening nozzle is fixedly arranged on the screening drum 10, a portion, a second motor is arranged on a screw 27, a horizontal connection control motor connected to the side of the servo control motor 7, a motor 32, the servo control motor 7 is arranged on the side of the servo control motor connected to control rod 32, the servo control motor 7, the servo control motor 32, the servo control motor 7, the servo control rod 32, the servo control motor, the servo control rod 32 is arranged horizontally connected to control motor 32 and the servo control rod 32, the servo control motor 7, the servo control motor 32, the servo control motor control rod 32, the servo control rod 32, so that the fry is screened once by the screening pore plate 33 in the inclined sliding process, and the screening effect is enhanced.
Claims (9)
1. The utility model provides an automatic screening plant of golden yellow snakehead seedling, includes push-and-pull rod, a screening section of thick bamboo, elastic plug and screen cloth, the inside interference ground of a screening section of thick bamboo imbeds elastic plug, elastic plug's upper end is equipped with the push-and-pull rod that can upwards extend a screening section of thick bamboo, screening section of thick bamboo's lower extreme is equipped with screen cloth, its characterized in that: the screening cylinder is provided with an electric telescopic structure for driving the push-pull rod to move up and down along the axis of the screening cylinder, the left side and the right side of the upper part of the screening cylinder are respectively provided with a discharge nozzle and a pouring nozzle, the elastic plug can move up and down in the screening cylinder along with the push-pull rod, the elastic plug is positioned above the discharge nozzle and the pouring nozzle when the elastic plug is in the state of the uppermost upper stroke and the lower stroke, the front side and the rear side of the part of the screening cylinder below the discharge nozzle and the pouring nozzle are respectively provided with a swing shaft, the two swing shafts are respectively hinged at the upper end of the supporting frame, the supporting frame is of a box-shaped frame structure, the inside of the supporting frame is respectively provided with a first seedling box and a second seedling box from left to right, the screening cylinder is suspended above the second seedling box, and the screen is positioned in the second seedling box, the seedling screening device is characterized in that an intermediate partition plate is arranged between the first seedling box and the second seedling box, an electric push rod used for driving the screening cylinder to be changed from a state of being erected above the second seedling box to a state of being inclined towards the first seedling box is arranged on the screening cylinder, two ends of the electric push rod are respectively hinged to the rear side of the upper portion of the screening cylinder and the portion, located at the rear side of the first seedling box, of the supporting frame, an auxiliary screening window penetrates through the side wall, close to the intermediate partition plate, of the lower portion of the screening cylinder, a screening pore plate is arranged in the auxiliary screening window, sealing slide ways extending along the axis of the screening cylinder are respectively arranged on the front side and the rear side of the auxiliary screening window, a sealing plate used for sealing and blocking the auxiliary screening window is arranged between the sealing slide ways in a sealing mode, and an electric push-pull structure used for upwards pulling the sealing plate to open the auxiliary screening window is arranged between the middle portion of the sealing plate and the middle portion of the screening cylinder.
2. The automated screening device for the yellow snakehead seedlings according to claim 1, wherein the automated screening device comprises: and the parts of the first seedling box and the second seedling box, which are positioned at the front side of the upper end, are respectively provided with a first drainage net and a second drainage net for overflowing redundant water.
3. The automated snakehead seedling screening device according to claim 2, wherein the automated snakehead seedling screening device comprises: the electric telescopic structure comprises a first servo motor, an upper support plate, a right-angle speed reducer, a guide polished rod, a screw rod, an end cover and a sliding connecting plate, wherein the push-pull rod upwards penetrates through the end cover at the upper end of the screening cylinder, a plurality of guide polished rods are vertically arranged on the end cover, the upper end of each guide polished rod is provided with the upper support plate, the screw rod is hinged between the end cover and the upper support plate, the sliding connecting plate is nested on the screw rod in a threaded manner, the sliding connecting plate is further nested on the guide polished rod, the lower end of the sliding connecting plate is fixedly connected with the push-pull rod, the upper support plate is provided with the first servo motor for driving the screw rod to rotate, the first servo motor is electrically connected with the controller, the controller controls the first servo motor to drive the screw rod to rotate, the sliding connecting plate is driven to move up and down along the guide polished rod by the rotation of the screw rod, and the up-down movement of the push-pull rod is realized.
4. The automated screening device for the yellow snakehead seedlings according to claim 3, wherein the automated screening device comprises: when the push-pull rod is positioned at the lowest end of the moving stroke of the push-pull rod, the elastic plug is not contacted with the screen and the lower end surface of the elastic plug is flush with the water surface in the second seedling box.
5. The automated snakehead seedling screening device according to claim 4, wherein the automated snakehead seedling screening device comprises: the outside of pouring into the mouth is equipped with the switch, the switch is used for to controller transmission control electric putter's the signal of opening and close for under pouring into the state of not screening fry into the mouth completion, the electronic extending structure drive push-pull rod of controller control accomplished the stroke that once reciprocated, controller control electric putter shrink then, drive the screening section of thick bamboo by erect the state above the second kind of seedling case towards the state transition of first kind of seedling case slope, the fish body after the screening is poured into in first kind of seedling case from the discharge mouth.
6. The automated screening device for the yellow snakehead seedlings as claimed in claim 5, wherein the automated screening device comprises: the electric push-pull structure comprises a threaded lifting rod, a threaded connecting block and a second servo motor, the second servo motor is arranged in the middle of the screening cylinder and connected with the threaded lifting rod downwards, the threaded connecting block is embedded in the threaded lifting rod in a threaded manner, and the threaded connecting block is fixedly arranged on the sealing plate.
7. The automated snakehead seedling screening device according to claim 6, wherein the automated snakehead seedling screening device comprises: the screen cloth is the fixed lower go-between that is equipped with in circular structure and border department, and lower go-between detachably is connected with the go-between, go up the fixed lower extreme that sets up at a screening section of thick bamboo of go-between.
8. The automated snakehead seedling screening device according to claim 7, wherein the automated snakehead seedling screening device comprises: the upper connecting ring and the lower connecting ring are connected together through bolts.
9. The automated screening device for the yellow snakehead seedlings according to claim 8, wherein the automated screening device comprises: the part of the outer side wall of the screening cylinder, which is positioned below the discharge port, is fixedly provided with a horizontal carrier plate, a thread lifting rod is hinged between the horizontal carrier plate and the upper connecting ring, and the thread lifting rod extends out of the upper end of the horizontal carrier plate and is connected with a second servo motor on the horizontal carrier plate.
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