CN114938789A - Automatic screening plant of golden yellow snakehead seedling - Google Patents
Automatic screening plant of golden yellow snakehead seedling Download PDFInfo
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- CN114938789A CN114938789A CN202210689734.XA CN202210689734A CN114938789A CN 114938789 A CN114938789 A CN 114938789A CN 202210689734 A CN202210689734 A CN 202210689734A CN 114938789 A CN114938789 A CN 114938789A
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- 238000012216 screening Methods 0.000 title claims abstract description 171
- 241001597062 Channa argus Species 0.000 title claims abstract description 40
- 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 19
- 238000007789 sealing Methods 0.000 claims description 34
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 18
- 241001330002 Bambuseae Species 0.000 claims description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 18
- 239000011425 bamboo Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 241000251468 Actinopterygii Species 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 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
- 238000007599 discharging Methods 0.000 abstract description 8
- 241000764908 Channa stewartii Species 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 238000007873 sieving Methods 0.000 description 8
- 238000009395 breeding Methods 0.000 description 6
- 230000001488 breeding effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 241001417978 Channidae Species 0.000 description 1
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 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 seeds are simply screened by the dead weight of the seeds, 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 yellow snakehead seeds, the seeds are firstly screened by pressing downwards through the elastic plug, and then the seeds are poured and discharged from the screening cylinder, thereby realizing the mechanical and 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
The snakehead is snakehead fish of snakehead family and snakehead genus, the general body color is gray black, the body back and the head top are dark and black, the abdomen is light white, irregular black patches are respectively arranged on the body side, and black stripes are arranged on the head side; 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 unit breeds golden snakeheads through years of breeding and breeding, the golden snakeheads are bred, the golden snakeheads are relatively common snakeheads, the difference of body colors is shown, and the characteristic of high growth speed is also shown, so the golden snakeheads have good economic value, the invention patents of related breeding methods, namely the invention patents of '2019107208817' and 'golden snakehead seed production method' are specially applied, in the previous golden snakehead breeding process, some problems and requirements are discovered, the problems are solved one by one in the year, the operation method and the related tools are innovated, the technical innovation of breakthrough in point generation is strived to be realized, and the Chinese utility model patent of '2021221522558' and 'an adjustable quantitative snakehead device for catching snakehead seedlings with golden snakeheads' is applied in recent years, the adjustable quantitative snakehead seedling fishing device mainly discloses a golden yellow snakehead seedling fishing device which comprises a push-pull rod, a fishing barrel, an elastic plug, scales, a semicircular fishing plate and a screen, wherein the fishing barrel is made of hard transparent materials, the scales which are sequentially increased from bottom to top are arranged on the outer side wall of the fishing barrel, the elastic plug is embedded in the fishing barrel in an interference manner, the push-pull rod capable of upwards extending out of the fishing barrel is arranged at the upper end of the elastic plug, a concave curved surface structure is arranged at the lower end of the fishing barrel, one half of the concave curved surface structure is the semicircular fishing plate with an arc-shaped plate structure, and the other half of the concave curved surface structure is the screen with a hard net-shaped structure.
However, 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 using the positive pressure, the loaded golden snakehead seedlings are screened, the golden snakehead seedlings larger than the mesh of the screen are remained in the catching cylinder, and the golden snakehead seedlings smaller than the mesh of the screen are discharged from the catching cylinder, compared with the traditional screening mode using the self weight of the seedlings, the screening efficiency is relatively high, and the problem that the seedlings are easily damaged due to shaking the screen in the past can be effectively avoided, so the inventor specially applies Chinese utility model patent with the patent application number of '2022213700596' and the patent name 'push-type screening device for golden snakehead seedlings', but in order to meet the requirement of more efficient screening, the automated screening device for the golden snakehead seedlings is specially designed.
Disclosure of Invention
Aiming at the existing problems, the invention provides an automatic golden yellow snakehead seedling screening device, which changes the prior problem that the seedlings are easily damaged due to shaking a screen in the past, wherein the conventional automatic golden yellow snakehead seedling screening device is used for screening only by the dead weight of the seedlings, a pouring nozzle and a discharging nozzle for loading and discharging the golden yellow snakehead seedlings are respectively arranged at the left side and the right side of a screening cylinder, then a full-coverage type screen is arranged at the bottom of the screening cylinder, an elastic plug is driven to move up and down by an electric telescopic structure, the golden yellow snakehead seedlings in the screening cylinder are screened by positive pressure generated in the downward moving process of the elastic plug in the screening cylinder, the golden yellow snakehead seedlings larger than the meshes of the screen are remained in a catching cylinder, and the golden yellow snakehead seedlings smaller than the meshes of the screen are discharged out of the catching cylinder, compared with the conventional screening mode utilizing the dead weight of the seedlings, the mechanical pressure screening is realized, the screening efficiency is relatively high, and the problem that the seedlings are easily damaged due to shaking the screen in the past can be effectively avoided, compared with the small seedlings caught by the previous negative pressure type catching and screening, the positive pressure type catching and screening is used for separating the seedlings with stronger adaptability and larger heads, and is suitable for breeding and catching a large batch of golden snakehead fish.
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 in 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 of the screening cylinder, which is positioned below the discharge nozzle and the pouring nozzle, are respectively provided with swing shafts, and the two swing shafts are respectively hinged to the upper end of a support frame, braced frame is box form frame construction and inside a left side right ground and is equipped with first kind of seedling case and second kind of seedling case respectively, a screening section of thick bamboo is unsettled erects in second kind of seedling case top and screen cloth is in the second kind of seedling incasement, be equipped with intermediate bottom between first kind of seedling case and the second kind of seedling case, be equipped with on the screening section of thick bamboo and be used for driving the screening section of thick bamboo by erect the electric putter of the state of second kind of seedling case top towards the state transition of first kind of seedling case slope, electric putter's both ends articulate respectively and divide the upper portion rear side of a section of thick bamboo and braced frame to be in the part of first kind of seedling case rear side.
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 the signal of opening and close to controller transmission control electric putter for to pouring into under the state that the mouth was accomplished to pour into and not sieved fry, the stroke that once reciprocated is accomplished to controller control electric telescopic structure drive push-pull rod, 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.
Furthermore, an auxiliary screening window penetrates through the side wall, close to the middle 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, the second servo motor sets up on the middle part of screening section of thick bamboo and is connected with the screw thread draw bar down, screw thread nested 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 is of a circular structure, a lower connecting ring is fixedly arranged at the edge of the screen, the lower connecting ring is detachably connected with an upper connecting ring, and the upper connecting ring is fixedly arranged at the lower end of the screening cylinder.
Further, the upper connecting ring and the lower connecting ring are connected together through a bolt.
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 invention changes the prior method that the screening is carried out only by the self weight of the seedlings, 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 yellow snakehead seedlings, 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 by an electric telescopic structure, the golden yellow snakehead seedlings in the screening barrel are screened by utilizing the positive pressure generated in the downward moving process of the elastic plug in the screening barrel, the golden yellow snakehead seedlings larger than the mesh of the screen are remained in a catching barrel, and the golden yellow snakehead seedlings smaller than the mesh of the screen are discharged out of the catching barrel, compared with the prior screening method utilizing the self weight of the seedlings, the mechanical pressure-applied screening is realized, the screening efficiency is relatively high, the problem that the seedlings are easy to be damaged by shaking the screen in the past can be effectively avoided, and the seedlings which are smaller in the prior negative pressure type catching and screening are fished, the seeds with stronger adaptability and larger heads are screened out by utilizing the positive pressure fishing, and the method is suitable for breeding and fishing large batches of golden snakeheads.
2. In order to avoid that the water bodies in the first seedling box and the second seedling box overflow to cause the escape of fish fries along with the water bodies, a first drainage net and a second drainage net for overflowing excessive water bodies are respectively arranged on the parts of the upper ends of the first seedling box and the second seedling box, which are positioned at the front sides.
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 structural 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 is 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 bar, 4-electric push rod, 5-first drainage net, 6-first seedling box, 7-controller, 8-swinging shaft, 9-middle clapboard, 10-screening cylinder, 11-upper connecting ring, 12-screen, 13-second seedling box, 14-lower connecting ring, 15-second drainage net, 16-supporting frame, 17-pouring nozzle, 18-first servo motor, 19-upper support plate, 20-right angle reducer, 21-guiding polish rod, 22-screw rod, 23-push rod, 24-end cover, 25-sliding connecting plate, 26-elastic plug, 27-horizontal support plate, 28-screw lifting rod, 29-screw connecting block, 30-sealing plate, 31-sealing slide way, 32-second servo motor, 33-sieving pore plate.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1 to 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 part 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 connection ring 11, the upper connection ring 11 is connected with a lower connection ring 14 through a detachable connection such as a bolt connection and a lock connection, the lower connection ring 14 is fixedly provided with the round 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.
Wherein, 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, the end cover 24 is vertically provided with a plurality of guide polished rods 21, the upper end of each guide polished rod 21 is provided with the upper support plate 19, a screw 22 is hinged between the end cover 24 and the upper support plate 19, the screw 22 is sheathed with the sliding connecting plate 25 in a threaded manner, the sliding connecting plate 25 is further sheathed on the guide polished rod 21 and fixedly connected with the push-pull rod at the lower end, 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, so that 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 rotation of the screws 22 drives the sliding connecting plate 25 to move up and down along the guide polished rods 21, the up-and-down movement of the push-pull rod 23 is realized.
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 barrel 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 barrel 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 barrel 10 inclines until the pouring nozzle inclines towards the first fry box 6, the screened fry discharging work is completed, then the electric push rod 4 extends, the screening barrel 10 is reset to be in a vertical state, and the switch is started for screening next time.
Example two:
as shown in fig. 6 and 7, in order to further improve the screening effect based on the first embodiment, that is, after the screening cylinder 10 swings, one side of the screening cylinder 10 is used to assist in enhancing the screening effect of the screen 12, particularly, an auxiliary screening window is disposed on one side of the screening cylinder 10 close to the middle partition 9, a screening orifice 33 is disposed in the auxiliary screening window, sealing slideways 31 extending vertically upward are disposed on the front and rear sides 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 a curved plate structure capable of adhering to the side wall of the screening cylinder 10, an elastic sealing gasket made of rubber is disposed at the end of the sealing plate 30 embedded in the sealing slideway 31, so that the sealing plate 30 can move up and down along the sealing slideway 31 and can shield the auxiliary screening window to form a sealing state, the movement of the sealing plate 30 along the sealing slideway 31 is generated by the movement of the screw block 29 on the sealing plate 30 relative to the screw lifting rod 28 on the sieving cylinder 10, i.e. the part of the sieving cylinder 10 under the removing nozzle is fixedly provided with the horizontal carrier plate 27, the horizontal carrier plate 27 is provided with the second servo motor 32, the second servo motor 32 is connected with the screw lifting rod 28 hinged between the horizontal carrier plate 27 and the upper connecting ring 11, the second servo motor 32 is electrically connected with the controller 7, so that the controller 7 controls the second servo motor 32 to rotate in the process of controlling the contraction of the electric push rod 4, the rotating screw lifting rod 28 makes the screw block 29 drive the sealing plate 30 to move upwards through the screw connection with the screw block 29, the sieving pore plate 33 is exposed at the side of the sieving cylinder 10 which is inclined and gradually under, as shown in fig. 7, that is the side of the sieving cylinder 10 close to the middle partition plate 9, 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 (10)
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 positioned at the uppermost end of the upper stroke and the lower stroke of the elastic plug, the front side and the rear side of the part of the screening cylinder positioned 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 erected above the second seedling box in a suspended mode, a middle partition plate is arranged between the first seedling box and the second seedling box, the screening section of thick bamboo is equipped with the electric putter that is used for driving the screening section of thick bamboo by the state of erectting in second kind seedling case top towards the state transition of first kind seedling case slope, electric putter's both ends articulate respectively in the part that the upper portion rear side of screening section of thick bamboo and braced frame are in first kind seedling case rear side.
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 which are used for overflowing redundant water.
3. The automated screening device for the yellow snakehead seedlings as claimed in claim 2, wherein the automated 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 screening device for the yellow snakehead seedlings as claimed in claim 4, wherein the automated 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 snakehead seedling screening device according to claim 5, wherein the automated snakehead seedling screening device comprises: the screening device is characterized in that an auxiliary screening window penetrates through the side wall, close to the middle 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.
7. The automated screening device for the yellow snakehead seedlings according to claim 6, 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.
8. The automated snakehead seedling screening device according to claim 7, wherein the automated snakehead seedling screening device comprises: 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.
9. The automated screening device for the yellow snakehead seedlings according to claim 8, wherein the automated screening device comprises: the upper connecting ring and the lower connecting ring are connected together through bolts.
10. The automated snakehead seedling screening device according to claim 9, wherein the automated snakehead seedling 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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