CN112189613B - Fish and shrimp separation method and separation device - Google Patents

Fish and shrimp separation method and separation device Download PDF

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Publication number
CN112189613B
CN112189613B CN202011061686.7A CN202011061686A CN112189613B CN 112189613 B CN112189613 B CN 112189613B CN 202011061686 A CN202011061686 A CN 202011061686A CN 112189613 B CN112189613 B CN 112189613B
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China
Prior art keywords
fish
shrimp
separation
shrimps
separating
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CN202011061686.7A
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CN112189613A (en
Inventor
张汉月
赵锡和
甘玲
张林泉
黄家怿
王水传
马道宽
龚丽
曾小辉
郭子淳
俞舜庭
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Guangdong Hongke Agricultural Machinery Research & Development Co ltd
Guangdong Modern Agricultural Equipment Research Institute
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Guangdong Hongke Agricultural Machinery Research & Development Co ltd
Guangdong Modern Agricultural Equipment Research Institute
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Priority to CN202011061686.7A priority Critical patent/CN112189613B/en
Publication of CN112189613A publication Critical patent/CN112189613A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/90Sorting, grading, counting or marking live aquatic animals, e.g. sex determination

Abstract

The invention discloses a fish and shrimp separation method and a separation device, wherein the separation device for separating fish and shrimp at least comprises a vibrating distributor, a first separation component and a second separation component, and the fish and shrimp separation method comprises the following steps: placing the mixed fish and shrimps on a vibrating distributor; the mixed fish and shrimps move to the first separation component under the vibration of the vibration distributor; most of the shrimps fall into a shrimp discharge hopper to be discharged after being separated by the first separation component, and fish and small shrimps fall into a second separation component after passing through the first separation component; the shrimps falling into the second separation component are separated by the second separation component and then fall into the shrimp discharge hopper to be discharged, and the fish falls into the fish discharge hopper to be discharged. The fish and shrimp separating device can realize automatic separation of fish and shrimp, has high separation efficiency, causes less bacterial pollution to the fish and shrimp, and ensures the freshness and quality of products.

Description

Fish and shrimp separation method and separation device
Technical Field
The invention relates to the technical field of aquatic product processing equipment, in particular to a fish and shrimp separation method and a separation device.
Background
According to the report of professor Anderson, the yield of shrimps in the world in 2019 is about 470 million tons, and the yield is increased by 1% compared with that in 2018; in 2020 and 2021 years, the average increase rate of the shrimp production in the world is about 5%, more than 500 million tons in 2020, and 530 million tons in 2021. Wherein, the shrimp yield in 2019 is about 110 million tons, which accounts for 1/4 worldwide. In the international aquatic product trade, shrimps are the most important aquatic product species.
A considerable part of fishes are often mixed in shrimp fishing, and because the domestic research on fish and shrimp separation is less, manual separation is still mainly adopted at present. The manual sorting has high labor intensity and low production efficiency, and is easy to cause the product to be polluted by bacteria, thereby influencing the freshness and the quality of the product.
Disclosure of Invention
The invention aims to provide a fish and shrimp separation method and a separation device, which can realize automatic separation of fish and shrimp, have high separation efficiency and little bacterial pollution on the fish and shrimp, and ensure the freshness and quality of products.
The technical scheme is as follows:
the invention discloses a fish and shrimp separation method in one embodiment, a separation device for fish and shrimp separation at least comprises a vibrating distributor, a first separation assembly and a second separation assembly, and the fish and shrimp separation method comprises the following steps:
placing the mixed fish and shrimps on a vibrating distributor;
the mixed fish and shrimps move to the first separation component under the vibration of the vibration distributor;
most of the shrimps fall into a shrimp discharge hopper to be discharged after being separated by the first separation component, and fish and small shrimps fall into a second separation component after passing through the first separation component;
the shrimps falling into the second separation component are separated by the second separation component and then fall into the shrimp discharge hopper to be discharged, and the fish falls into the fish discharge hopper to be discharged.
The mixed fish and shrimp move to the first separating component under the vibration of the vibration distributor, and the method specifically comprises the following steps:
under the vibration of the vibrating distributor, the mixed fishes and shrimps enter the corrugated grooves of the vibrating bottom plate of the vibrating disc, and the fishes are positioned between the adjacent corrugated grooves;
under the continuous vibration of the vibrating distributor, fish and shrimps enter the material guide plate through the front end of the vibrating plate respectively;
the fish and the shrimps fall into the first separation component through the material guide plate under the action of gravity.
Partial shrimps pass through fall into shrimp discharge hopper behind first separator assembly's the separation and discharge, fish and partial shrimp pass through fall into second separator assembly behind the first separator assembly, specifically include following step:
part of the shrimps falling into the first separation component enter the first separation part of the first separation component and are driven to rotate by the first separation component, and in the rotating process, the shrimps fall into the shrimp discharge hopper under the action of gravity and are discharged;
fish and partial shrimp process fall into behind the first separable set the second separable set, this partial shrimp gets into in the second separable set's the second separation portion, and by the second separable set drives its rotation, and at the pivoted in-process, this partial shrimp falls into shrimp under the effect of gravity and goes out the hopper discharge, and the fish is then through fall into fish out the hopper discharge behind the second separable set.
After fish and some shrimps fall into second separation element behind the first separation element, still include:
the vertically falling shrimps directly enter the second groove of the second separation part;
part of shrimps which do not fall vertically directly enter a third groove of the second separation part, and/or fish and part of shrimps which do not fall vertically enter a temporary storage space at the side of the second separation component;
the shrimp in the temporary storage space enter the third groove during the rotation of the second separating assembly.
The invention discloses a fish and shrimp separating device applied to the fish and shrimp separating method in another embodiment, which comprises a rack, and a vibration distributor, a first separating component, a second separating component and a driving component which are arranged on the rack, wherein the vibration distributor is arranged above the first separating component, the first separating component is arranged between the vibration distributor and the second separating component, the driving component is respectively connected with the first separating component and the second separating component, a plurality of first separating parts are uniformly distributed on the first separating component, a plurality of second separating parts are uniformly distributed on the second separating component, a fish discharging hopper and a shrimp discharging hopper are arranged at the bottom of the rack, the fish discharging hopper is arranged at the side edge of the second separating component, the shrimp discharging hopper is arranged below the second separating component, and mixed fish and shrimp sequentially pass through the vibration distributor, After the first separation assembly and the second separation assembly are separated, fish are discharged from the fish discharge hopper, and shrimps are discharged from the shrimp discharge hopper.
The vibrating distributor at least comprises a vibrating bottom plate, the vibrating bottom plate is corrugated, and the width of a corrugated groove of the vibrating bottom plate is slightly larger than that of shrimps.
The first separating assembly comprises a first roller, the first separating part is a first groove, a plurality of first grooves are arranged along the circumferential direction of the first roller, and the distance between every two adjacent first grooves is consistent with the distance between every two adjacent corrugated grooves of the vibrating bottom plate.
The second separating component comprises a second roller, the second separating part comprises a plurality of second grooves and a plurality of third grooves, and the plurality of second grooves and the plurality of third grooves are distributed at intervals.
The plurality of second flutes are arranged along a circumferential direction of the second drum, and the plurality of third flutes are arranged along an axial direction of the second drum.
The automatic fish separating device is characterized in that an automatic reset valve is further arranged on the rack and located above an inlet of the fish discharging hopper, and the automatic reset valve is located on one side of the second separating component.
The following illustrates the advantages or principles of the invention:
1. when the separation device disclosed by the invention is used for separating fish and shrimps, firstly, the mixed fish and shrimps are placed on the vibrating distributor, and the fish and shrimps fall from the vibrating distributor after being arranged under the vibration of the vibrating distributor and enter the first separation component. When the mixed fishes and shrimps pass through the first separating component, part of the shrimps directly fall into the shrimp discharge hopper to be discharged after being separated by the first separating component. The fish and part of the shrimps directly enter the second separation component after passing through the first separation component, the part of the shrimps fall into the shrimp discharge hopper to be discharged after passing through the second separation component, and the fish falls into the fish discharge hopper to be discharged. After the shrimp and fish are separated by the first separation component, most of the shrimps in the mixed fish and shrimps are separated, and when a small part of the shrimps and fish pass through the second separation component, the shrimps are completely separated by the second separation component. The first separation assembly and the second separation assembly can realize automatic separation of fish and shrimp, the separation efficiency is high, the fish and shrimp are less polluted by bacteria, the freshness and the quality of products are ensured, and meanwhile, the labor cost is reduced.
2. The vibrating bottom plate of the fish and shrimp separating device is corrugated, and the width of the corrugated groove is slightly larger than that of the shrimps. After the mixed fish and shrimps are placed on the vibrating bottom plate, the shrimps can enter the corrugated troughs to be arranged under the vibration of the vibrating distributor, and the fish is positioned between the two adjacent corrugated troughs because the volume of the fish is larger than that of the shrimps. The shrimps arranged in the corrugated groove fall from the vibrating bottom plate and then enter the first separating part of the first separating assembly more easily.
3. The plurality of first grooves are arranged along the circumferential direction of the first roller, and the distance between every two adjacent first grooves is consistent with the distance between every two adjacent corrugated grooves of the vibrating bottom plate. After the arranged shrimps fall off from the vibration bottom plate, the vertically falling shrimps can enter the first grooves more smoothly under the action of self gravity, so that the shrimps can be separated from the mixed fishes and shrimps conveniently.
4. The plurality of second flutes are arranged along a circumferential direction of the second drum, and the plurality of third flutes are arranged along an axial direction of the third drum. When the shrimps which do not fall into the first groove pass through the second separation component, the vertically falling shrimps enter the second groove, and the shrimps which do not vertically fall can enter the third groove. The second groove and the third groove of the second separation component ensure that the fishes and shrimps which are not separated by the first separation component can be completely separated after passing through the second separation component, so that the mixed fishes and shrimps are thoroughly separated after passing through the first separation component and the second separation component.
Drawings
FIG. 1 is a general flow chart of a fish and shrimp separation method according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a partial structure of a fish and shrimp separating apparatus according to an embodiment of the present invention;
FIG. 3 is a side sectional view of a fish and shrimp separating apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a vibrating distributor and a first roller according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a second drum according to an embodiment of the present invention;
description of reference numerals:
1. a frame; 2. a vibrating distributor; 3. a first separation assembly; 4. a second separation assembly; 5. a drive assembly; 31. a first separating section; 41. a second separation section; 11. a fish discharging hopper; 12. a shrimp discharge hopper; 21. a vibrating pan; 211. vibrating the base plate; 6. an adjusting plate; 212. a first side plate; 213. a second side plate; 214. a first fixing plate; 215. a first fixing hole; 32. a first drum; 42. a second drum; 411. a second groove; 412. a third groove; 33. a first rotating shaft; 43. a second rotation shaft; 51. a drive motor; 52. a drive chain; 53. a first drive sprocket; 54. a second drive sprocket; 55. a third drive sprocket; 7. a material guide plate; 8. a material limiting plate; 9. automatically resetting the valve; 91. a first connecting member; 92. a second connecting member; 93. a third rotation axis; 10. shower, 13, front closing plate.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
As shown in fig. 1, the present invention discloses a fish and shrimp separation method in one embodiment, the separation device for fish and shrimp separation at least comprises a vibrating distributor, a first separation assembly and a second separation assembly, the fish and shrimp separation method comprises the following steps:
s10: placing the mixed fish and shrimps on a vibrating distributor;
s20: the mixed fish and shrimps move to the first separation component under the vibration of the vibration distributor;
s30: most of the shrimps fall into a shrimp discharge hopper to be discharged after being separated by the first separation component, and fish and small shrimps fall into a second separation component after passing through the first separation component;
s40: the shrimps falling into the second separation component are separated by the second separation component and then fall into the shrimp discharge hopper to be discharged, and the fish falls into the fish discharge hopper to be discharged.
When the separation method of the embodiment is adopted to separate fish and shrimp, firstly, the mixed fish and shrimp are placed on the vibrating distributor, and the fish and shrimp fall from the vibrating distributor into the first separation assembly after being arranged under the vibration of the vibrating distributor. When the mixed fishes and shrimps pass through the first separating component, part of the shrimps directly fall into the shrimp discharge hopper to be discharged after being separated by the first separating component. The fish and part of the shrimps directly enter the second separation component after passing through the first separation component, the part of the shrimps fall into the shrimp discharge hopper to be discharged after passing through the second separation component, and the fish falls into the fish discharge hopper to be discharged. In this embodiment, after the separation by the first separation assembly, most of the mixed fish and shrimp are separated, and when a small part of the shrimp and fish pass through the second separation assembly, the shrimp are completely separated by the second separation assembly. The autosegregation of fish shrimp can be realized to first separable set, the second separable set of this embodiment, and separation efficiency is high, and fish shrimp receives bacterial contamination fewly, has guaranteed the freshness and the quality of product, has reduced the cost of labor simultaneously.
Wherein, will mix the fish shrimp and move to first separation element under the vibration of vibration distributing device, specifically include the following step:
under the vibration of the vibrating distributor, the mixed fishes and shrimps enter the corrugated grooves of the vibrating bottom plate of the vibrating disc, and the fishes are positioned between the adjacent corrugated grooves;
under the continuous vibration of the vibrating distributor, fish and shrimps enter the material guide plate through the front end of the vibrating plate respectively;
the fish and the shrimps fall into the first separation component through the material guide plate under the action of gravity.
In this embodiment, the vibrating bottom plate of the vibrating plate is provided with a corrugated groove, and the width of the corrugated groove can be set to be slightly larger than that of the shrimps. Because the shrimp is small in size, the shrimp can enter the corrugated troughs to be arranged in the vibrating process, and the fish is large in size and is positioned between the adjacent corrugated troughs. Under the continuous vibration of the vibrating distributor, the arranged shrimps and fishes respectively fall from the vibrating tray, pass through the material guide plate and enter the first separation assembly.
Partial shrimps pass through fall into shrimp discharge hopper behind first separator assembly's the separation and discharge, fish and partial shrimp pass through fall into second separator assembly behind the first separator assembly, specifically include following step:
part of the shrimps falling into the first separation component enter the first separation part of the first separation component and are driven to rotate by the first separation component, and in the rotating process, the shrimps fall into the shrimp discharge hopper under the action of gravity and are discharged;
fish and partial shrimp process fall into behind the first separable set the second separable set, this partial shrimp gets into in the second separable set's the second separation portion, and by the second separable set drives its rotation, and at the pivoted in-process, this partial shrimp falls into shrimp under the effect of gravity and goes out the hopper discharge, and the fish is then through fall into fish out the hopper discharge behind the second separable set.
After fish and some shrimps fall into second separation element behind the first separation element, still include:
the vertically falling shrimps directly enter the second groove of the second separation part;
part of shrimps which do not fall vertically directly enter a third groove of the second separation part, and/or fish and part of shrimps which do not fall vertically enter a temporary storage space at the side of the second separation component;
the shrimp in the temporary storage space enter the third groove during the rotation of the second separating assembly.
Since the shrimps basically vertically drop after passing through the guide plate, most of the shrimps can enter the first separation part of the first separation assembly for separation. The rest small parts of shrimps and fish directly pass through the first separation component and then fall into the second separation component. The vertical shrimp that drops into second separator assembly can directly fall into the second recess of second separator assembly and separate, and the shrimp that does not vertically drop then can get into the third recess of second separator assembly and separate. If a few parts of shrimps do not directly fall into the second separation groove or the third separation groove and directly fall into the temporary storage space, the few parts of shrimps can enter the third groove to be separated in the rotating process of the second separation assembly.
As shown in fig. 2 to 5, the present invention discloses in this embodiment a fish and shrimp separating apparatus applied to the fish and shrimp separating method as described above, which includes a frame 1, and a vibratory distributor 2, a first separating assembly 3, a second separating assembly 4, and a driving assembly 5 on the frame 1. The vibrating distributor 2 is located above the first separating component 3, the first separating component 3 is located between the vibrating distributor 2 and the second separating component 4, and the driving component 5 is connected with the first separating component 3 and the second separating component 4 respectively. A plurality of first separating portions 31 are uniformly distributed on the first separating assembly 3, and a plurality of second separating portions 41 are uniformly distributed on the second separating assembly 4. The bottom of the rack 1 is provided with a fish discharge hopper 11 and a shrimp discharge hopper 12, the fish discharge hopper 11 is positioned at the side of the second separation component 4, the shrimp discharge hopper 12 is positioned below the second separation component 4, after the mixed fish and shrimp are separated by the vibrating distributor 2, the first separation component 3 and the second separation component 4 in sequence, the fish is discharged from the fish discharge hopper 11, and the shrimp is discharged from the shrimp discharge hopper 12.
When the fish and shrimp separating device is used for separating the mixed fish and shrimp, firstly, the mixed fish and shrimp are placed on the vibrating distributor 2, and the fish and shrimp fall from the vibrating distributor 2 after being arranged under the vibration of the vibrating distributor 2 and enter the first separating component 3. Part of the shrimps entering the first separation component 3 directly enter the first separation part 31, and are driven by the first separation component 3 to move and then are discharged from the shrimp discharge hopper 12; the fish and small shrimps pass through the first separation component 3 and then enter the second separation component 4, the small shrimps enter the second separation part 41 of the second separation component 4, then are driven by the second separation component 4 to move and then are discharged from the shrimp discharge hopper 12, and the fish directly enters the fish discharge hopper 11 and is discharged. The autosegregation of fish shrimp can be realized to first separator assembly 3, the second separator assembly 4 of this embodiment, and separation efficiency is high, and the fish shrimp receives bacterial contamination fewly, has guaranteed the freshness and the quality of product, has reduced the cost of labor simultaneously.
The vibrating distributor 2 at least comprises a vibrating motor (not shown in the figure) and a vibrating disk 21, the vibrating motor is connected with the vibrating disk 21, the vibrating motor drives the vibrating disk 21 to vibrate, and the vibrating disk 21 is fixed above the rack 1. The vibration plate 21 at least has a vibration bottom plate 211, the vibration bottom plate 211 is corrugated, and the width of the corrugated groove of the vibration bottom plate 211 is slightly larger than that of the shrimps. After the mixed fish and shrimp are placed on the vibrating plate 21, the shrimp can enter the corrugated troughs to be arranged under the vibration of the vibrating distributor 2, and the fish is positioned between the two adjacent corrugated troughs because the volume of the fish is larger than that of the shrimp. The shrimps arranged in the corrugated trough fall from the vibrating bottom plate 211 and then enter the first separating portion 31 of the first separating unit 3 more easily.
The fish and shrimp separating device of the embodiment further comprises an adjusting plate 6, and the adjusting plate 6 is movably connected with the vibrating disk 21 of the vibrating distributor 2. The vibration tray 21 further has at least a first side plate 212 and a second side plate 213, the first side plate 212 and the second side plate 213 are disposed opposite to each other, the bottoms of the first side plate 212 and the second side plate 213 are respectively connected to the vibration bottom plate 211, and the vibration bottom plate 211 is located between the first side plate 212 and the second side plate 213. Two opposite side edges of the adjusting plate 6 are movably disposed on the first side plate 212 and the second side plate 213, respectively, the adjusting plate 6 is located above the vibrating bottom plate 211, and the adjusting plate 6 can move upward or downward relative to the vibrating bottom plate 211.
Preferably, the first fixing plate 214 may be fixed to each of the first side plate 212 and the second side plate 213, a plurality of first fixing holes 215 may be formed in a height direction of the first fixing plate 214, the adjustment plate 6 may be provided with second fixing holes, and the adjustment plate 6 may be fixed by fixing screws in the first fixing holes 215 and the second fixing holes. When the height of the adjusting plate 6 needs to be adjusted, the adjusting plate 6 is adjusted upwards or downwards after the screw is taken down, the second fixing hole corresponds to any one of the first fixing holes 215 after adjustment, and then the screw is fixed. The present embodiment can control the amount of fish and shrimp falling into the first and second separating assemblies 3 and 4 by adjusting the height of the adjusting plate 6 upward or downward.
The first separating member 3 includes a first roller 32, the first separating portion 31 is a first groove, a plurality of the first grooves are arranged along a circumferential direction of the first roller 32, and a pitch of adjacent first grooves is identical to a pitch of adjacent corrugation grooves of the vibration base 211.
The second separating assembly 4 comprises a second roller 42, the second separating portion 41 comprises a plurality of second grooves 411 and a plurality of third grooves 412, the plurality of second grooves 411 and the plurality of third grooves 412 are distributed at intervals, and preferably, three rows of third grooves 412 are arranged between two adjacent rows of second grooves 411. The plurality of second flutes 411 are arranged along a circumferential direction of the second drum 42, and the plurality of third flutes 412 are arranged along an axial direction of the second drum 42.
The first rotating shaft 33 is provided in the middle of the first drum 32, the second rotating shaft 43 is provided in the middle of the second drum 42, and both ends of the first rotating shaft 33 and the second rotating shaft 43 are rotatably connected to the frame 1, respectively.
The driving assembly 5 includes a driving motor 51, a driving chain 52, a first driving sprocket 53, a second driving sprocket 54 and a third driving sprocket 55. The first driving sprocket 53 is connected to a driving spindle of the driving motor 51, the second driving sprocket 54 is connected to the first rotating shaft 33, the third driving sprocket 55 is connected to the second rotating shaft 43, and the first driving sprocket 53 is connected to the second driving sprocket 54 and the third driving sprocket 55 through the driving chain 52. The driving motor 51 can drive the first driving sprocket 53 to rotate, and the first driving sprocket 53 can simultaneously drive the first roller 32 and the second roller 42 to simultaneously rotate clockwise through the driving chain 52.
A material guide plate 7 is arranged between the vibrating distributor 2 and the first separating component 3, and two ends of the material guide plate 7 are respectively fixed on the frame 1. A material limiting plate 8 is arranged between the first separating component 3 and the second separating component 4, and two ends of the material limiting plate 8 are also respectively fixed on the frame 1.
Still be equipped with automatic re-setting valve 9 on the frame 1, automatic re-setting valve 9 is located the top of fish play hopper 11 entry, automatic re-setting valve 9 is located one side of second separator assembly 4. Still be equipped with first coupling assembling on the frame 1, automatic re-setting valve 9 passes through first coupling assembling and frame 1 swing joint. Preferably, the first connecting assembly includes a first connecting piece 91 and a second connecting piece 92, one end of each of the first connecting piece 91 and the second connecting piece 92 is connected to the automatic reset valve 9, the other end of each of the first connecting piece 91 and the second connecting piece 92 is rotatably hinged to the third rotating shaft 93, a reset spring is sleeved on the third rotating shaft 93, and the automatic reset valve 9 can rotate relative to the third rotating shaft 93.
The frame 1 at least has preceding shrouding 13, and when automatic re-setting valve 9 was in the closed condition, the last side of automatic re-setting valve 9 laminated with preceding shrouding 13 mutually, or the distance between automatic re-setting valve 9 and preceding shrouding 13 is less than the width of shrimp, and the distance between the lower side of automatic re-setting valve 9 and the second cylinder 42 is also less than the width of shrimp. When the automatic reset valve 9 is in a closed state, a temporary storage space can be formed among the automatic reset valve 9, the front sealing plate 13 and the material limiting plate 8, so that shrimps can not directly fall into the fish discharging hopper 11 to be discharged after falling into the second separating component 4, and the shrimps falling into the temporary storage space can enter the second separating part 41 in the rotating process of the second roller 42. When a certain amount of fish in the storage space is reached, as shown by the arrow in fig. 3, the lower side edge of the automatic reset valve 9 rotates in a direction close to the front sealing plate 13 under the action of the weight of the fish, the automatic reset valve 9 is opened, and the fish enters the fish discharge hopper 11 and is discharged. After the fish is discharged, the automatic reset valve 9 automatically resets under the elastic force action of the reset spring.
In order to clean the fish and shrimp separating device, a spraying pipe 10 is further arranged on the rack 1, the spraying pipe 10 is fixed on one side of the first separating component 3, and a plurality of spray heads are arranged on the spraying pipe 10. The spray pipe 10 can be connected with an external water storage tank, a water suction pump and the like, and after fish and shrimp are separated, the spray pipe 10 is opened to clean the fish and shrimp separating device.
The working principle of the fish and shrimp separating device of the invention is as follows:
the mixed fish and shrimp enter the vibration disk 21 of the vibration distributor 2, under the vibration of the vibration distributor 2, the shrimp enter the corrugated troughs of the vibration disk 21 to be arranged, and the fish is arranged between the adjacent corrugated troughs. The arranged fish and shrimp are continuously pushed forward under the vibration of the vibrating distributor 2 and enter the first separation component 3 through the front end of the vibrating disk 21 under the action of gravity via the material guide plate 7. The shrimp is vertical when dropping from vibration dish 21 and drops downwards, and the shrimp can all get into the first recess of first cylinder 32 basically smoothly, and drive assembly 5 drives first cylinder 32 and rotates clockwise, as shown in fig. 4, first cylinder 32 takes the shrimp that falls into in the first recess to the right side below of first cylinder 32, and the shrimp falls into shrimp play hopper 12 after droing in the first recess under the effect of gravity, and most shrimp have been separated out this moment. Fish and a small amount of shrimps which cannot enter the first groove fall onto the second roller 42, and in the process that the second roller 42 rotates, the shrimps which fall vertically enter the second groove 411, and the shrimps which do not fall vertically can enter the third groove 412. Then the second roller 42 rotates clockwise to bring the shrimps to the lower right of the second roller 42, the shrimps fall into the shrimp discharge hopper 12 after falling from the second groove 411 and the third groove 412 under the action of gravity, and the fish falls into the fish discharge hopper 11 when the automatic reset valve 9 is opened.
According to the fish and shrimp separating device, the first separating component 3 and the second separating component 4 respectively and automatically separate the mixed fish and shrimp, and the fish and shrimp are separated more thoroughly through two times of separation, so that the separating effect is good, and the separating efficiency is high.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.

Claims (8)

1. A fish and shrimp separation method is characterized in that a separation device for separating fish and shrimp at least comprises a vibrating distributor, a first separation assembly and a second separation assembly, and the fish and shrimp separation method comprises the following steps:
placing the mixed fish and shrimps on a vibrating distributor;
the mixed fish and shrimps move to the first separation component under the vibration of the vibration distributor;
most of the shrimps fall into a shrimp discharge hopper to be discharged after being separated by the first separation component, and fish and small shrimps fall into a second separation component after passing through the first separation component;
the shrimps falling into the second separation component are separated by the second separation component and then fall into a shrimp discharge hopper to be discharged, and the fish falls into a fish discharge hopper to be discharged;
most shrimps process fall into shrimp discharge hopper after first separator assembly's the separation and discharge, fish and the process of fractional shrimp fall into second separator assembly behind the first separator assembly, specifically include following step:
part of the shrimps falling into the first separation component enter the first separation part of the first separation component and are driven to rotate by the first separation component, and in the rotating process, the shrimps fall into the shrimp discharge hopper under the action of gravity and are discharged;
the fish and part of the shrimps fall into the second separation component after passing through the first separation component, the part of the shrimps enter into the second separation part of the second separation component and are driven to rotate by the second separation component, in the rotating process, the part of the shrimps fall into the shrimp discharge hopper under the action of gravity to be discharged, and the fish falls into the fish discharge hopper after passing through the second separation component to be discharged;
after fish and some shrimps fall into second separation element behind the first separation element, still include:
the vertically falling shrimps directly enter the second groove of the second separation part;
part of shrimps which do not fall vertically directly enter a third groove of the second separation part, and/or fish and part of shrimps which do not fall vertically enter a temporary storage space at the side of the second separation component;
the shrimp in the temporary storage space enter the third groove during the rotation of the second separating assembly.
2. The fish and shrimp separation method of claim 1, wherein the mixed fish and shrimp are moved to the first separation module by the vibration of the vibrating distributor, comprising the steps of:
under the vibration of the vibrating distributor, the mixed fishes and shrimps enter the corrugated grooves of the vibrating bottom plate of the vibrating disc, and the fishes are positioned between the adjacent corrugated grooves;
under the continuous vibration of the vibrating distributor, fish and shrimps enter the material guide plate through the front end of the vibrating plate respectively;
the fish and the shrimps fall into the first separation component through the material guide plate under the action of gravity.
3. A fish and shrimp separating device applied to the fish and shrimp separating method of any one of claims 1 to 2, comprising a frame, and a vibrating distributor, a first separating assembly, a second separating assembly and a driving assembly which are arranged on the frame, wherein the vibrating distributor is arranged above the first separating assembly, the first separating assembly is arranged between the vibrating distributor and the second separating assembly, the driving assembly is respectively connected with the first separating assembly and the second separating assembly, a plurality of first separating parts are uniformly distributed on the first separating assembly, a plurality of second separating parts are uniformly distributed on the second separating assembly, a fish discharging hopper and a shrimp discharging hopper are arranged at the bottom of the frame, the fish discharging hopper is arranged at the side edge of the second separating assembly, the shrimp discharging hopper is arranged below the second separating assembly, and mixed fish and shrimp sequentially pass through the vibrating distributor, After the first separation assembly and the second separation assembly are separated, fish are discharged from the fish discharge hopper, and shrimps are discharged from the shrimp discharge hopper.
4. The fish and shrimp separating device as claimed in claim 3, wherein the vibrating distributor includes at least a vibrating bottom plate, the vibrating bottom plate is corrugated, and the width of the corrugation groove of the vibrating bottom plate is slightly larger than the width of the shrimps.
5. The fish and shrimp separating apparatus as claimed in claim 4, wherein the first separating member includes a first drum, the first separating portion is a plurality of first grooves arranged along a circumferential direction of the first drum, and a distance between adjacent first grooves is identical to a distance between adjacent corrugation grooves of the vibration plate.
6. The fish and shrimp separating apparatus as claimed in claim 5, wherein the second separating assembly includes a second roller, the second separating portion includes a plurality of second grooves and a plurality of third grooves, and the plurality of second grooves and the plurality of third grooves are spaced apart.
7. The fish and shrimp separating apparatus as claimed in claim 6, wherein a plurality of said second grooves are arranged along a circumferential direction of said second drum, and a plurality of said third grooves are arranged along an axial direction of said second drum.
8. The fish and shrimp separating device as claimed in claim 3, wherein the frame is further provided with an automatic reset valve, the automatic reset valve is positioned above the entrance of the fish discharging hopper, and the automatic reset valve is positioned at one side of the second separating component.
CN202011061686.7A 2020-09-30 2020-09-30 Fish and shrimp separation method and separation device Active CN112189613B (en)

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