CN217184404U

CN217184404U - Fry screening device

Info

Publication number: CN217184404U
Application number: CN202220734391.XU
Authority: CN
Inventors: 许朋; 王征; 崔阔鹏; 陈立明; 黄家驹; 谢国万; 陈劭舒; 夏凤腾
Original assignee: ZHUHAI DOUMEN DISTRICT ESTUARY FISHERY RESEARCH INSTITUTE; Hunan Agricultural University
Current assignee: ZHUHAI DOUMEN DISTRICT ESTUARY FISHERY RESEARCH INSTITUTE; Hunan Agricultural University
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-16
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a fry divides sieve device, including casing and surge drum, the upper end of casing is provided with the opening, be provided with the screen cloth that the screening specification degressive in proper order between the upper end of casing and the lower tip, the lateral wall of casing comprises the fine mesh, the mesh of fine mesh is less than the mesh of screen cloth between the upper end of casing and the lower tip, still be provided with openable fish outlet on the lateral wall, surge drum detachably cover is established in the periphery of casing, the surge drum comprises collection portion and collection wall, the collection wall comprises many vertical settings and the grating that is parallel to each other, collect the upper edge of wall connection in collection portion. The utility model discloses can dismantle the cover in the upper end of casing and be equipped with the surge drum, utilize the collection portion that sets up in the surge drum bottom to retrieve most fish slag, avoided a large amount of fish slag to get into and breed the pond to solve effectively and bred the pond and polluted the problem that leads to the fry death by the fish slag.

Description

Fry screening device

Technical Field

The utility model relates to a fishery cultured equipment field, concretely relates to fry divides sieve device.

Background

Fry sorting is one of important links of industrial aquaculture, in fry breeding, the growth speed difference among different fry individuals is large, a large number of fries of different specifications need to be raised in separate ponds in time, otherwise, fries in the fry period have a mutual killing phenomenon, the main manifestation is that largery juvenile fishes of individuals attack and swallow juvenile fishes slightly smaller than self bodies, if the juvenile fishes can not be completely swallowed, the two deaths of a swallower and a swallowed person can be caused, and the dead fries are also easy to infect some viral diseases, so that the whole batch of fries are infected and morbidity, and finally, the number of the fries is reduced sharply.

At present, most breeders still use the traditional screening tool or even select fry seeds manually, and although the traditional screening method has the characteristic of universal applicability, the problems of high labor intensity, long time, low screening efficiency and the like exist.

Further, in order to solve the problems of low screening efficiency and the like, people combine the screens with different specifications into a multi-layer multi-specification screen, and the screen can be used for simultaneously sorting fishes with various specifications in the culture pond. Little individual fry, the fish body is more soft, have fin or hard thorn on the fish body cross section, because little individual fry can reach suitable screen cloth layer after need passing multilayer screen cloth at the branch sieve in-process, consequently, some little individual fry inevitably can appear crowding, entangle and die by the screen cloth when passing through multilayer screen cloth to the injury and the death of the fish body also can produce a large amount of fish dregs, and these fish dregs can see through and divide the screen cloth to enter into and breed the pond, thereby cause the pollution to breeding the pond, lead to breeding the fry death in the pond.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a fry screening device, can dismantle the cover through the upper end at the casing and be equipped with the surge drum, collect the fish slag that produces to the screening in-process.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a fry divides sieve device, includes casing and surge drum, the upper end of casing is provided with the opening, be provided with the degressive screen cloth in proper order of screening specification between the upper end of casing and the lower tip, the lateral wall of casing comprises the fine net, the mesh of fine net is less than the mesh of screen cloth between the upper end of casing and the lower tip, still be provided with openable fish mouth on the lateral wall, surge drum detachably cover is established on the periphery of casing, the surge drum comprises collection portion and collection wall, the collection wall comprises many vertical settings and the grate bar that is parallel to each other, the collection wall is connected the top edge of collection portion.

As the preferable embodiment of the utility model, the openable fish outlet is a fish outlet with a zipper.

In a preferred embodiment of the present invention, the housing has a box-like or tubular shape.

In a preferred embodiment of the present invention, the tube shape is a horn tube shape.

As a preferred embodiment of the present invention, the collecting part is shaped as a cylinder or an inverted cone.

As a preferred embodiment of the present invention, the collecting cylinder and the housing are detachably connected by a buckle.

As a preferred embodiment of the present invention, the upper end of the housing is further provided with a buoyancy ring made of foamed plastic.

As a preferred embodiment of the present invention, a pair of grip handles is fixedly connected to the upper end of the housing.

As a preferred embodiment of the present invention, the collecting part is detachably connected to the collecting wall through a zipper.

As the utility model discloses preferred embodiment, the upper end fixedly connected with horizontal pole of casing, be provided with agitating unit in the middle of the horizontal pole, agitating unit includes rotating motor and blade.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a can dismantle the connection surge drum on the casing, retrieve most fish slag through the collection portion that sets up in the surge drum bottom, avoided a large amount of fish slag to get into and breed the pond to it pollutes the problem that leads to the fry death by the fish slag to have solved and has bred the pond.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic structural view of a fry screening device of the present invention;

FIG. 2 is a schematic structural view of a fry screening device with a buckle of the utility model;

FIG. 3 is a schematic structural view of the fry screening device with a buoyancy ring;

FIG. 4 is a schematic structural view of a fry screening device with a gripping handle of the utility model;

FIG. 5 is a schematic view of a zipper structure of a collecting cylinder of the present invention;

fig. 6-is the structural schematic diagram of the fry sieving device with the vibrating motor of the utility model.

The reference numbers illustrate: 1. a housing; 2. screening a screen; 3. a side wall; 4. a fine mesh; 5. an openable fish outlet; 6. a collection canister; 7. a collecting section; 8. a collection wall; 9. buckling; 10. a buoyancy ring; 11. a handle is grabbed; 12. a zipper; 13. a cross bar; 14. a rotation motor; 15. a blade.

Detailed Description

The fry screening device provided by the utility model, as shown in fig. 1, comprises a shell 1, preferably, the shell 1 is box-shaped or barrel-shaped; further preferably, the tube-shape is the loudspeaker tube-shape, and the cross section of casing 1 upper end is greater than casing 1 lower tip, and casing 1 upper end has an opening, when carrying out the fry and divide the sieve, pours into the fry that need divide the sieve from casing 1 upper end opening, because the fry can struggle when pouring into and beat, and the cross section of upper end is big makes the fry can pour into in dividing the screen cloth more accurately, and the cross section of lower tip is little in addition, makes the focus of dividing the screen cloth more concentrated, divides the screen cloth to be difficult to appear turning on one's side. Be provided with the specification between the upper end of casing 1 and the lower tip and from top to bottom degressive screen cloth 2 in proper order, after the fry got into from the upper end opening part and divides the screen cloth, the great fry of size can be intercepted at upper screen cloth 2, and the less fry of size can get into lower floor's screen cloth 2 through the screen cloth, after the multilayer screening to divide the fry of screening out different specifications. The side wall 3 of the shell 1 is composed of a fine net 4, the meshes of the fine net 4 are smaller than the meshes of the screen 2 between the upper end part and the lower end part of the shell 1, the meshes of the fine net 4 are smaller than the meshes of the screen 2 so as to prevent the escape of the fry, in addition, the side wall 3 is composed of the fine net 4, so that the pond water in the culture pond can enter the sub-screen through the fine net 4, an environment that the fry can swim is provided, and the fry can pass through the screen larger than the fish body through swimming. An openable fish outlet 5 is arranged on the side wall 3 of the shell 1, preferably, the openable fish outlet is a fish outlet with a zipper, and the function of opening is realized through the zipper. The side wall above each layer of the screen mesh is provided with an openable fish outlet 5, and after the fry screening is completed, the zipper is opened, so that the fry screened out from each layer can be poured out from the openable fish outlet. The collecting cylinder 6 is detachably sleeved on the periphery of the open type shell 1, preferably, the collecting cylinder 6 is detachably connected with the shell 1 through bolts, after the fry screening is finished, the fry screening net is integrally lifted out of the culture pond, after the shell 1 is separated from the collecting cylinder 6, the fish residues are poured out of the collecting cylinder 6, so that the fish residues are recycled, and the pollution to the culture pond is avoided; further preferably, as shown in fig. 2, the collecting cylinder 6 and the housing 1 are detachably connected through a buckle, and the buckle is utilized to realize the disassembly of the collecting cylinder 6, so that the separating of the housing 1 and the collecting cylinder 6 is more rapid, an external tool is not required to be used, the separating work can be completed by bare hands, and the working efficiency of fish residue recovery is further improved. A collection section of thick bamboo 6 comprises collection portion 7 and collection wall 8, and collection portion 7 is used for collecting the fish slag, and the fish slag that the fry produced when injured and death, the volume is all smaller, can pass the screen cloth 2 of all specifications, and most have all fallen on collection portion 7 finally to avoided a large amount of fish slag to spread to breed the pond, produced the pollution to breeding the pond. The collecting wall 8 is composed of a plurality of vertical sieve bars which are parallel to each other, the collecting wall 8 is connected to the upper edge of the collecting part 7, and the collecting wall 8 is also used for allowing water in the culture pond to pass through and providing a swimming environment for the fry.

Further, the shape of collection portion 7 is cylinder or back taper, and is further, the shape of collection portion 7 is the back taper, the back taper is by the border inwards sunken form hopper-shaped collection portion 7 in the center, because when dividing the sieve fry in breeding the pond, need let breed pond water flow through fry minute screen cloth with certain speed, promote moving about of fry, thereby divide the sieve more effectively, but the lateral force that pond water flow brought, make fry minute screen cloth have the risk of turning on one's side, consequently set up collection portion 7 and set up to the back taper form and make the focus of fry minute screen cloth concentrate further, can reduce the risk that fry minute screen cloth turned on one's side more effectively. In addition, the inverted cone shape enables the fish slag falling on the collecting part 7 to slowly slide down to the cone bottom along the cone wall, further concentrates the fish slag, and enables the subsequent treatment of the fish slag to be more convenient.

Further, as shown in fig. 3, the upper end of the casing is further provided with a buoyancy ring 10 made of foamed plastic, and when screening is performed, the foamed plastic buoyancy ring can provide larger buoyancy to the fry screening net, so that the situation that due to too many fries being screened, the screening net is too heavy, and the mesh screen is sunk is avoided.

Further, as shown in fig. 4, the upper end of the casing 1 is fixedly connected with a pair of grabbing handles 11, and when the sieving net is pulled out of the culture pond by the grabbing handles 11, the labor is saved, and the working efficiency is effectively improved.

Further, as shown in fig. 5, the collecting part 7 and the collecting wall 8 are detachably connected through a zipper 12, due to the existence of the collecting wall 8, in the process of pouring out the fish slag, the condition that the fish slag is adhered to the collecting wall 8 can occur, the collecting part 7 and the collecting wall 8 are detachably connected through the zipper 12, when the fish slag needs to be poured, the collecting wall 8 is detached by unzipping the zipper 12, so that the adhesion of the fish slag to the collecting wall 8 is avoided, and after the collecting wall 8 is detached, the weight of the collecting cylinder 6 is greatly reduced, so that the pouring work is easier, and the work efficiency is further improved.

Further, as shown in fig. 6, the upper end fixedly connected with horizontal pole 13 of casing, the horizontal pole 13 middle is provided with agitating unit, and agitating unit is including rotating motor 14 and blade 15, and among the prior art, generally through rocking the screen cloth of dividing lets the pond water produce and vibrate for fry instinctively escapes toward the screen cloth of lower floor, has accelerated the branch sieve of fry. The utility model discloses a drive effect of rotating motor 14 for blade 15 carries out high-speed rotation, thereby makes the pond water produce and swarms, and the fry escapes with higher speed, reaches the effect that further accelerates the fry and divide the sieve.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The fry screening device is characterized by comprising a shell and a collecting barrel, wherein an opening is formed in the upper end of the shell, a screen with screening specifications decreasing gradually is arranged between the upper end and the lower end of the shell, the side wall of the shell is composed of a fine net, meshes of the fine net are smaller than meshes of the screen between the upper end and the lower end of the shell, an openable fish outlet is further formed in the side wall, the collecting barrel is detachably sleeved on the periphery of the shell, the collecting barrel is composed of a collecting portion and a collecting wall, the collecting wall is composed of a plurality of vertically arranged and mutually parallel screen bars, and the collecting wall is connected to the upper edge of the collecting portion.

2. The fry sorting device of claim 1, wherein the openable fish outlet is a zippered fish outlet.

3. The fry screening device of claim 1 or 2, wherein the housing is box-like or cylindrical in shape.

4. The fry screening device of claim 3, wherein the cylinder is a trumpet cylinder.

5. The fry sieving device of claim 1 or 2, wherein the collecting part is in the shape of a cylinder or an inverted cone.

6. The fry screening device of claim 1 or 2, wherein the collection canister and the housing are removably connected by a snap fit.

7. The fry screening device of claim 1 or 2 wherein the upper end of the housing is further provided with a buoyant ring of foamed plastic.

8. The fry screening device of claim 1 or 2, wherein a pair of gripping handles is fixedly connected to the upper end of the housing.

9. The fry sorting device of claim 1 or 2, wherein the collecting part is detachably connected to the collecting wall by a zipper.

10. The fry screening device of claim 1 or 2, wherein a cross bar is fixedly connected to the upper end of the housing, and a stirring device is arranged in the middle of the cross bar and comprises a rotating motor and blades.