Automatic screening device for abalone fries

Abstract

The invention discloses an automatic screening device for abalone fries. The device comprises a discharging part, a screening part, a washing and collecting part and a split charging control part. The blanking part comprises a top seat, a slope, a buffer strip and a rear plate; the screening part comprises a multi-stage screen plate assembly and a transmission assembly, and the transmission assembly and the positioning rod are matched to provide power for screening of the multi-stage screen plate assembly; the flushing and collecting part comprises a spraying and flushing device, a first collecting container and a second collecting container; the spraying and flushing device is used for flushing the abalone fries on the multi-stage sieve plate assembly into the collecting container; the split charging control part comprises a split charging assembly and a control assembly, and the control assembly comprises an infrared sensor, a control box and a placing frame and is matched with the split charging assembly to achieve automatic barrel changing. The mode of combining vibration screening and intermittent movement is adopted, the device has the advantages of being high in automation degree, easy and convenient to operate, low in maintenance cost and the like, and the screening efficiency and accuracy are remarkably improved.

Description

Technical Field

[0001] The invention relates to the field of fishery machinery and automatic control, and in particular to an automatic screening device for abalone seedlings. Background Art

[0002] Screening abalone fry for size is a crucial task in abalone farming. Traditional manual screening methods are inefficient and unable to meet the needs of large-scale farming. As aquaculture expands, there is an urgent need for a device that can automatically, efficiently, and accurately screen abalone fry to improve farming efficiency and reduce labor costs. However, research on automatic abalone fry screening devices is currently lacking. Against this backdrop, an automatic abalone fry screening device has emerged.

[0003] The device is designed to achieve screening and packaging of abalone seedlings through automated means, thereby improving production efficiency and reducing labor costs. Summary of the Invention

[0004] The present invention aims to solve the problems of low efficiency, insufficient precision and high manual dependence in the screening of abalone seedlings in the background, and provides an automated screening device based on the linkage of infrared sensing and stepping motor to realize size sorting, quantitative packaging and continuous operation of abalone seedlings.

[0005] To achieve the above object, the present invention provides the following technical solutions: The present invention discloses an automatic screening device for abalone fry, comprising: The feeding part includes a top seat, a slope, a buffer belt and a back plate; the slope is installed on the upper end of the top seat; the abalone seedlings are placed on the slope and fall along the slope; the buffer belt is fixed to the upper part of the back plate by bolts; The screening part includes a multi-stage screen plate assembly and a transmission assembly; the multi-stage screen plate assembly screens the abalone seedlings layer by layer through a preset opening size; the transmission assembly pulls the multi-stage screen plate assembly to move within a certain range through the eccentric movement of the disc-shaped cam; The flushing and collecting part includes a spraying device, a first collecting container and a second collecting container; one end of the spraying device is installed inside the column of the base, and a water pipe is provided therein to connect it; the first collecting container 10 and the second collecting container are used to hold abalone seedlings of different sizes; The subpackaging control part includes a subpackaging component and a control component; the subpackaging component is used for automatically changing barrels; the control component is used to identify the number of abalone seedlings dropped into the subpackaging barrel, and ensure that the number of abalone seedlings in each subpackaging barrel is a set value by controlling a stepping motor.

[0006] Preferably, the slope in the blanking part is installed above the top seat, with a relatively gentle slope and a smooth inclined surface, ensuring that the abalone seedlings can slide down smoothly; the buffer belt is located below the slope, with a relatively steep slope and a rough surface, and when the abalone seedlings fall off the buffer belt, it will drive it to rotate, thereby achieving a buffering effect.

[0007] Preferably, the multi-stage sieve plate assembly includes a first sieve plate and a second sieve plate; the first sieve plate is divided into two layers, the first layer is an elastic buffer plate for preventing abalone seedlings from falling and being damaged, and the second layer is a sieve plate hole layer, the size of the opening is adjusted to control the size of the abalone seedlings passing through, and a baffle is installed on the periphery to prevent the abalone seedlings from falling during the sorting process; the structure of the second sieve plate is similar to that of the first sieve plate, but the size of the opening is smaller than that of the first sieve plate; the second sieve plate as a whole is slightly larger than the first sieve plate to ensure that smaller abalone seedlings falling from the first sieve plate can fall smoothly onto the second sieve plate.

[0008] Preferably, first positioning rods are installed on both sides of the first sieve plate, and second positioning rods are installed on both sides of the second sieve plate; the first positioning rod and the second positioning rod are long cylindrical as a whole, and a disc is fixed on the top; the limiter is installed on both sides below the top seat and is divided into two layers, the upper layer is an elastic soft plate, and the weight change transmitted from the first positioning rod and the second positioning rod will cause the elastic soft plate to undergo elastic deformation, so that the first sieve plate and the second sieve plate can have a certain displacement in the longitudinal direction; the lower layer is a limiting hole layer, and a "capsule-shaped" notch is reserved at each positioning rod passing through the limiter, and the transmission component is cooperated to enable the first sieve plate and the second sieve plate to have a certain movement in the lateral direction.

[0009] Preferably, the transmission system provides power for the entire device, which is used to make the multi-stage screen plate assembly reciprocate; the rotating shaft is connected to the rear plate by a first connecting ring and a second connecting ring to ensure stable rotation of the rotating shaft; the first disc-shaped cam is fixed to the rotating shaft by a key connection, and to prevent the first disc-shaped cam from slipping, first positioning snap rings are installed at the upper and lower ends to fix it, and the same is true for the second disc-shaped cam, and second positioning snap rings are installed at the upper and lower ends to fix it; the rotating shaft is connected to the motor through a coupling to provide power transmission.

[0010] Preferably, a first connecting rod and a second connecting rod are respectively installed on the rear outside of the first sieve plate and the second sieve plate, and there is a circle of sliding groove on the outside of the first disc cam and the second disc cam; the first connecting rod is installed in the outer sliding groove of the first disc cam, and the second connecting rod is installed in the outer sliding groove of the second disc cam; the rotating shaft drives the disc cam to rotate, and the eccentric movement of the disc cam pulls the connecting rod to make the multi-stage sieve plate assembly move.

[0011] Preferably, there are four spray devices in the flushing and collecting part, which are installed in pairs on the upper side base columns of the multi-stage sieve plate assembly. When the smallest abalone seedlings fall into the first collection container after a round of screening is completed, the spray device sprays water to push the abalone seedlings on the first sieve plate onto the landslide and then fall into the packaging barrel, and pushes the abalone seedlings on the second sieve plate onto the inclined plate and then falls into the second collection container.

[0012] Preferably, the packaging assembly includes a stepper motor, a positioning bar, a conveyor belt and a packaging barrel; a plurality of positioning bars with equal intervals are fixed on the conveyor belt, and the packaging barrel is placed between two positioning bars to ensure the positioning and fixation of the packaging barrel; the output shaft of the stepper motor is connected to the drive shaft of the conveyor belt system via a coupling to provide transmission power for the conveyor belt; a semi-elliptical protrusion is provided in the packaging barrel to ensure that fallen abalone seedlings will not gather in the middle.

[0013] Preferably, the control component includes an infrared sensor, a control box, and a placement rack; the infrared sensor is installed on the upper part of the control box, which is placed on the placement rack and works in conjunction with a stepper motor; when the infrared sensor detects that the number of abalone seedlings in the current packaging barrel reaches a preset threshold, the output signal is transmitted to the control box; after receiving the signal, the control box sends an instruction to the stepper motor driver to drive the conveyor belt to perform rapid positioning movement, and accurately switch the packaging barrel station to be loaded to the preset position.

[0014] Preferably, when the infrared sensor detects that a preset condition is met, the control box controls the stepper motor to drive the conveyor belt, performing intermittent start and stop movements, and enters a stationary waiting state after completing the workstation switching until the next signal arrives.

[0015] Preferably, the second collecting container is placed inside the supporting frame, and the inclined plate is close to the second collecting container to ensure that the screened abalone seedlings can fall smoothly into the second collecting container.

[0016] Preferably, a shaft cover is installed on the top of the shaft through a threaded connection for disassembly, assembly and correction of the shaft.

[0017] Preferably, one end of the landslide is located laterally inward of the lower surface of the first sieve plate to ensure that the fallen abalone seedlings roll smoothly onto the landslide; the other end of the landslide is provided with baffles on both sides that converge toward the middle, and the length is greater than the support frame to ensure that larger abalone seedlings fall smoothly into the packaging barrel.

[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. High degree of automation: automatic operation is achieved through the cooperation of motor, conveyor belt and sensor; 2. Easy to operate: Vibration screening of multi-stage screen plate components can be achieved through the cooperation of transmission components and positioning rods; 3. Low labor cost: only one person is needed to pour the abalone seedlings at the beginning; 4. High sorting accuracy: using advanced identification system to achieve accurate sorting of abalone; 5. Strong adaptability: The multi-stage sieve plate components can be adjusted to meet the sorting needs of abalone of different specifications and varieties. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of a partial structure of the present invention; Figure 3 It is a schematic structural diagram of the screening part of the present invention; Figure 4 It is a partial schematic diagram of the disc cam and related parts; Figure 5 It is a partial schematic diagram of the limiter and positioning rod; Figure 6 It is a structural diagram of the filling barrel; Markings in the figure: 1. Top seat; 2. Slope; 3. Buffer belt; 4. Back plate; 5. First positioning rod; 6. First sieve plate; 7. Second positioning rod; 8. Spray device; 9. Second sieve plate; 10. First collecting container; 11. Base; 12. Slope; 13. Second collecting container; 14. Support frame; 15. Conveyor belt; 16. Positioning strip; 17. Filling barrel; 18. Placement rack; 19. Control box; 20. Infrared sensor; 21. Stepper motor; 22. Slope; 23. Motor; 24. Coupling; 25. Rotating shaft; 26. First connecting ring; 27. Second disc cam; 28. Second positioning snap ring; 29. ​​First disc cam; 30. First positioning snap ring; 31. Second connecting ring; 32. Rotating shaft cover; 33. First connecting rod; 34. Second connecting rod 35. Limiter. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] Reference Figures 1 to 5 The present embodiment provides an automatic screening device for abalone seedlings, comprising a feeding part, a screening part, a flushing and collecting part, and a packaging control part.

[0022] The unloading part mainly includes a top seat 1, a slope 2, a buffer belt 3 and a back plate 4; the slope 2 in the unloading part is installed above the top seat 1, the slope 2 has a gentle slope and a smooth inclined surface, ensuring that the abalone seedlings can slide down smoothly; the buffer belt 3 is located below the slope 2 and is fixed to the upper part of the back plate 4 by bolts. The slope is steep and the surface is rough. When the abalone seedlings fall on the buffer belt 3, it will drive it to rotate, thereby achieving a buffering effect.

[0023] Screening part: mainly includes a matching system of a multi-stage sieve plate assembly and a transmission assembly; the multi-stage sieve plate assembly is composed of a first sieve plate 6 and a second sieve plate 9, both of which adopt a two-layer structure; the upper layer is an elastic buffer plate, and the lower layer is an adjustable aperture sieve plate layer; the aperture of the second sieve plate 9 is smaller than that of the first sieve plate 6 but the overall size is larger, ensuring that the abalone seedlings dropped from the first sieve plate 6 are received; the transmission assembly drives the rotating shaft 25 through the motor 23, and the first disc cam 29 and the second disc cam 27 are respectively connected to the rotating shaft 25 with a first positioning snap ring 30 and a second positioning snap ring 28 to prevent slipping, so that the rotating shaft 25 can drive the two disc cams to move; the outer annular grooves of the two disc cams are hinged with the first connecting rod 33 and the second connecting rod 34, converting the eccentric rotational motion into longitudinal elastic buffering and lateral reciprocating screening of the sieve plate, thereby realizing efficient and accurate grading of abalone seedlings.

[0024] The flushing and collection part mainly includes a spray device 8, a first collecting container 10 and a second collecting container 13; there are four spray devices 8 installed, two by two, on the upper side base 11 column of the multi-stage sieve plate assembly. During screening, the smallest abalone seedlings fall directly into the first collecting container 10. After a round of screening, the spray device 8 sprays water to push the abalone seedlings that have not fallen on the first sieve plate 6 onto the landslide 22 and then fall into the packaging barrel 17. The abalone seedlings that have not fallen on the second sieve plate are pushed onto the inclined plate 12 and then fall into the second collecting container 13; the first collecting container 10 is located on the base 11 directly below the multi-stage sieve plate assembly, and the second collecting container 13 is placed inside the support frame 14.

[0025] The subpackaging control part mainly includes an electromechanical collaborative system consisting of a subpackaging component and a control component: the subpackaging component serves as an actuator, and realizes automatic switching of the subpackaging barrel 17 workstations based on the precise positioning control of the stepper motor 21; the control component serves as a decision-making center, and collects the cumulative number of abalone seedlings in the subpackaging barrel 17 in real time through the infrared sensor 20. When the detection value reaches the preset threshold, the control box 19 controls the stepper motor 21 driver to drive the conveyor belt 15 for intermittent displacement, ensuring that the number of abalone seedlings contained in each subpackaging barrel 17 strictly meets the set value.

[0026] Reference Figure 6 The packaging barrel 17 is provided with an elliptical protrusion, which is high in the middle and low on both sides and has a smooth surface to prevent the abalone seedlings from overflowing due to concentrated stacking.

[0027] The core innovations of this device include: The surface design of the slope 2 is smooth, and the buffer zone 3 is tilted and the surface design is rough. The two cooperate to ensure that the abalone seedlings can fall and the damage of the abalone seedlings can be prevented.

[0028] The first sieve plate 6 and the second sieve plate 9 are both elastic buffer layers and sieve plate hole layers, which cooperate to prevent impact damage and ensure the size of the drop.

[0029] The first disc cam 29 and the second disc cam 27 eccentrically drive the connecting rod, and cooperate with the limiter 35 and the first positioning rod 5 and the second positioning rod 7 to realize the vibration of the multi-stage screen plate assembly, which significantly improves the screening efficiency and accuracy.

[0030] The control box 19 cooperates with the stepping motor 21 to drive the conveyor belt 15 to move quickly to realize the barrel changing function, ensuring that the number of abalone seedlings in each packing barrel 17 meets the set value.

[0031] The rotating shaft cover 32 is designed for quick assembly and disassembly, which makes the device easy to maintain; the aperture size of the multi-stage sieve plate is adjustable, which can easily meet the needs of abalone seedling sorting.

[0032] The general working process of the abalone seedling automatic screening device of the present embodiment is as follows: At the beginning of the work, the abalone seedlings are first placed on the slope 2 and allowed to fall naturally, and then fall onto the multi-stage sieve plate assembly after being buffered by the buffer zone 3; the transmission assembly cooperates with the positioning rod to drive the multi-stage sieve plate assembly to carry out controlled vibration, and the multi-stage sieve plate vibration causes the larger abalone seedlings to remain on the first sieve plate 6, the medium-sized abalone seedlings to remain on the second sieve plate 9, and the smaller abalone seedlings to fall directly into the first collecting container 10; after the screening work is completed, the four groups of spraying devices 8 are started, and the abalone seedlings remaining on the multi-stage sieve plate are pushed into the sub-packaging bucket 17 and the second collecting container 13 respectively; the infrared sensor 20 records the quantity of the abalone seedlings falling into the sub-packaging bucket 17 in real time and transmits the signal to the control box 19, and the control box 19 drives the conveyor belt 15 to switch the empty sub-packaging bucket 17 according to the received signal control, to ensure that the sub-packaging quantity is accurate.

[0033] The working surface of the conveyor belt 15 is provided with a plurality of raised positioning strips 16 , and the filling barrel 17 is placed between two adjacent positioning strips 16 to define the position of the filling barrel 17 on the conveyor belt 15 .

[0034] The first sieve plate 6 is divided into two layers, the first layer is an elastic buffer plate for preventing the abalone seedlings from falling and being damaged, and the second layer is a sieve plate hole layer for adjusting the size of the opening to control the size of the abalone seedlings passing through; the structure of the second sieve plate 9 is the same as that of the first sieve plate 6.

[0035] The limiter 35 has a double-layer structure, the upper layer is an elastic soft plate with a preset thickness. Through the weight change transmitted from each positioning rod, the first sieve plate 6 and the second sieve plate 9 can have corresponding movement in the longitudinal direction; the lower layer is a limiting hole layer, and a "capsule-shaped" notch is reserved at each positioning rod passing through the limiter 35, which cooperates with the eccentric movement of the transmission component to enable the first sieve plate and the second sieve plate to have corresponding movement in the transverse direction.

[0036] Maintenance and Adjustment: Regularly check whether the connections between each motor and the corresponding device are firm, and perform appropriate lubrication and rust prevention treatment.

[0037] According to the size of the abalone seedlings required for screening, the size of the sieve holes on the multi-stage sieve plate assembly can be adjusted accordingly; according to the number of abalone seedlings required to be loaded in the packaging barrel 17, the preset threshold program of the control box 19 can be modified.

[0038] The device significantly reduces manual labor dependence, is easy to operate and has low maintenance costs. At the same time, it is highly flexible and can adapt to the sorting needs of abalone seedlings of different specifications, effectively solving the pain points of low efficiency and large errors in traditional manual screening, and providing reliable technical support for large-scale breeding.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the scope of protection of the present invention. Any equivalent replacement or improvement made on the basis of the technical solution of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic screening device for abalone seedlings, characterized in that, include: A feeding part, the feeding part comprises a top seat (1), a slope (2), a buffer belt (3) and a back plate (4); the slope (2) is installed on the upper end of the top seat (1); the abalone seedlings are placed on the slope (2) and fall along the slope; the buffer belt (3) is fixed to the upper part of the back plate by bolts; The screening part includes a multi-stage screen plate assembly and a transmission assembly; the multi-stage screen plate assembly screens the abalone seedlings layer by layer through a preset opening size; the transmission assembly pulls the multi-stage screen plate assembly to move within a certain range through the eccentric movement of the disc-shaped cam; Scouring and collecting part: the scouring and collecting part comprises a spraying device (8), a first collecting container (10) and a second collecting container (13); one end of the spraying device (8) is installed inside the column of the base (11), and a water pipe is provided therein to connect the spraying device (8); the first collecting container (10) and the second collecting container (13) are used to hold abalone seedlings of different sizes; The subpackaging control part includes a subpackaging component and a control component; the subpackaging component is used for the automatic barrel changing function; the control component is used for identifying the number of abalone seedlings dropped into the subpackaging barrel, and ensuring that the number of abalone seedlings in each subpackaging barrel is a set value by controlling a stepping motor (21).

2. Abalone seedling automatic screening device according to claim 1, characterized in that: The slope (2) in the unloading part is installed above the top seat (1), and has a relatively gentle slope and a smooth inclined surface, thereby ensuring that the abalone seedlings can slide down smoothly; the buffer belt (3) is located below the slope (2), and has a relatively steep slope and a rough surface. When the abalone seedlings fall onto the buffer belt (3), it will drive the abalone seedlings to rotate, thereby achieving a buffering effect.

3. Abalone seedling automatic screening device according to claim 1, is characterized in that: The multi-stage sieve plate assembly comprises a first sieve plate (6) and a second sieve plate (9); the first sieve plate (6) is divided into two layers, the first layer is an elastic buffer plate for preventing abalone seedlings from falling and being damaged, and the second layer is a sieve plate hole layer, the size of the opening is adjusted to control the size of the abalone seedlings passing through, and a baffle is installed on the periphery to prevent the abalone seedlings from falling during the sorting process; the structure of the second sieve plate (9) is similar to that of the first sieve plate (6), but the size of its opening is smaller than that of the first sieve plate (6); the second sieve plate (9) is slightly larger than the first sieve plate (6) as a whole, ensuring that smaller abalone seedlings falling from the first sieve plate (6) can smoothly fall onto the second sieve plate (9).

4. Abalone seedling automatic screening device according to claim 3, is characterized in that: First positioning rods (5) are installed on both sides of the first sieve plate (6), and second positioning rods (7) are installed on both sides of the second sieve plate (9); the first positioning rod (5) and the second positioning rod (7) are in the shape of long cylinders as a whole, and a disc is fixed on the top; the limiter (35) is installed on both sides below the top seat (1) and is divided into two layers, the upper layer is an elastic soft plate, and the weight change transmitted from the first positioning rod (5) and the second positioning rod (7) causes the elastic soft plate to undergo elastic deformation, so that the first sieve plate (6) and the second sieve plate (9) can have a certain displacement in the longitudinal direction; the lower layer is a limiting hole layer, and a "capsule-shaped" notch is reserved at each positioning rod passing point on the limiter (35), and cooperates with the transmission component to enable the first sieve plate (6) and the second sieve plate (9) to have a certain movement in the transverse direction.

5. Abalone seedling automatic screening device according to claim 1, is characterized in that: The transmission system provides power for the entire device and is used to make the multi-stage sieve plate assembly reciprocate; the rotating shaft (25) is connected to the rear plate (4) by a first connecting ring (26) and a second connecting ring (31) to ensure stable rotation of the rotating shaft; the first disc-shaped cam (29) is fixed to the rotating shaft (25) by a key connection, and first positioning snap rings (30) are installed at the upper and lower ends to prevent the first disc-shaped cam (29) from sliding off, and the second disc-shaped cam (27) is similarly fixed by second positioning snap rings (28) at the upper and lower ends; the rotating shaft 25 is connected to the motor (23) through a coupling (24) to provide power transmission.

6. Abalone seedling automatic screening device according to claim 5, characterized in that: A first connecting rod (33) and a second connecting rod (34) are respectively installed on the outer rear sides of the first sieve plate (6) and the second sieve plate (9), and a circle of sliding grooves are provided on the outer sides of the first disc cam (29) and the second disc cam (27); the first connecting rod (33) is installed in the outer sliding groove of the first disc cam (29), and the second connecting rod (34) is installed in the outer sliding groove of the second disc cam (27); the rotating shaft (25) drives the disc cam to rotate, and the eccentric movement of the disc cam pulls the connecting rod to make the multi-stage sieve plate assembly move.

7. Abalone seedling automatic screening device according to claim 1, characterized in that: There are four spraying devices (8) installed in the scouring and collecting part, and they are installed two by two on the upper side base (11) columns of the multi-stage sieve plate assembly. When the smallest abalone seedlings fall into the first collection container (10) after a round of screening is completed, the spraying device (8) sprays water to push the abalone seedlings on the first sieve plate (6) onto the landslide (22) and then fall into the sub-packaging barrel (17), and pushes the abalone seedlings on the second sieve plate onto the inclined plate (12) and then fall into the second collection container (13).

8. The abalone seedling automatic screening device according to claim 1, wherein: The subpackaging assembly comprises a stepping motor (21), a positioning bar (16), a conveyor belt (15) and a subpackaging barrel (17); a plurality of positioning bars (16) with equal intervals are fixed on the conveyor belt (15), and the subpackaging barrel (17) is placed between two positioning bars (16) to ensure the positioning and fixation of the subpackaging barrel (17); the output shaft of the stepping motor (21) is connected to the driving shaft of the conveyor belt (15) system via a coupling to provide transmission power for the conveyor belt (15); and a semi-elliptical protrusion is provided in the subpackaging barrel (17) to ensure that the fallen abalone seedlings will not gather in the middle.

9. The abalone seedling automatic screening device according to claim 1, wherein: The control assembly comprises an infrared sensor (20), a control box (19) and a placement rack (18); the infrared sensor (20) is installed on the upper part of the control box (19), the control box (19) is placed on the placement rack (18), and works in conjunction with a stepper motor (21); when the infrared sensor (20) detects that the number of abalone seedlings in the current sub-packaging barrel (17) reaches a preset threshold, an output signal is transmitted to the control box (19); after receiving the signal, the control box (19) sends an instruction to the stepper motor (21) driver to drive the conveyor belt (15) to perform rapid positioning movement, and accurately switches the sub-packaging barrel (17) to be loaded to a preset position.

10. The abalone seedling automatic screening device according to claim 9, wherein: The conveyor belt (15) driven by the stepper motor (21) responds to the trigger signal transmitted by the control box (19), performs rapid movement to complete the station switching, and then enters a static waiting state until the next trigger signal arrives, thereby performing intermittent start-stop movement.

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