CN220987213U

CN220987213U - Screening net for crab seedling sorting

Info

Publication number: CN220987213U
Application number: CN202322702460.6U
Authority: CN
Inventors: 孙宾; 孙胜
Original assignee: Dangtu County Huajin Lake Aquatic Products Co ltd
Current assignee: Dangtu County Huajin Lake Aquatic Products Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-24
Anticipated expiration: 2033-10-09

Abstract

The utility model discloses a screening net for crab larva sorting, which relates to the technical field of crab larva screening and comprises a macroporous screen, wherein a small-hole screen is arranged below the macroporous screen, vibration screening mechanisms are arranged on two sides of the small-hole screen, each vibration screening mechanism comprises a connecting block and a fixing bolt, and telescopic springs are fixedly connected to positions below the connecting block and close to two sides. According to the crab sorting device, the motor is started to drive the rotating shaft, the cam and the limiting rod to rotate together, and the limiting rod is positioned at the upper end of the cam, so that the limiting rod drives the connecting rod to move up and down when rotating around the rotating shaft, and further drives the mounting piece and the connecting block to move up and down due to the limiting effect of the fixing bolt, and the connecting block drives the large-hole screen to move up and down when moving up and down, so that the large-hole screen can shake and screen crabs in the screen, shake off the crabs which are entangled with each other, and the crab sorting efficiency is improved.

Description

Screening net for crab seedling sorting

Technical Field

The utility model relates to the technical field of crab seedling screening, in particular to a screening net for crab seedling sorting.

Background

The crab larva refers to the larva of the megalopum period which can be used for cultivation production, and is divided into megalopum, bean crab and button crab, and the crab larva refers to the button crab larva generally. The individual growth difference among the young crab populations is very obvious, and under the natural condition, the individual differences are 200 times as large as the young crab of the same month age. Under the condition of artificial feeding, the food is easy to kill itself or the environmental condition of water area is bad, the accumulated temperature is too high, the sexual precocity is caused by overnutrition, and the economic benefit and the social benefit are obviously reduced. Therefore, when raising crab seedlings, the crab seedlings need to be screened firstly so as to avoid similar residues of crab barrels from affecting the economic benefit.

In the prior art, as chinese patent CN213214898U discloses a screening net for crab larva sorting, including the framework, the inside of framework is equipped with the diaphragm, and the top both ends welding of diaphragm has first casing, and the inside sliding connection of first casing has first fly leaf, and the top that two first casings are close to one side each other all welds the second casing with the bottom, and the inside sliding connection of second casing has the second fly leaf, and the middle part rotation of diaphragm bottom is connected with the pivot, has drive bevel gear through bolted connection in the pivot, and drive bevel gear's both sides are equipped with driven bevel gear, and the meshing transmission between drive bevel gear and the driven bevel gear.

However, in the prior art, when the crab seedlings are screened, the crabs are often entangled with each other, and when the crabs are easy to hook the screening net by using the crab claws, the work of screening the crab seedlings cannot be normally carried out, the crab seedling sorting efficiency is reduced, and the screening net for sorting the crab seedlings is provided for solving the problems.

Disclosure of utility model

The utility model aims to solve the problems that in the prior art, when crab seedlings are screened, crabs are often entangled with each other, and when the crabs are easy to hook a screening net by using crab claws, the work of screening the crab seedlings cannot be normally carried out, and the crab seedling sorting efficiency is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a crab seed sorting is with screening net, includes the macropore screen cloth, the below of macropore screen cloth is provided with the aperture screen cloth, the both sides of aperture screen cloth all are provided with vibration screening mechanism, vibration screening mechanism includes connecting block and gim peg, the below of connecting block just is close to the equal fixedly connected with telescopic spring of both sides position department, two sets of the equal fixedly connected with fixed block of lower extreme of telescopic spring, two sets of the equal fixedly connected with spacing pipe of upper end of fixed block, the lower extreme swing joint of connecting block has the installed part, the inside of installed part is provided with spring buffer, the lower extreme of installed part passes through gim peg swing joint has the connecting rod, the both sides of connecting rod all are provided with the cam, one side of cam just is close to upper end position department and runs through be fixed with the gag lever post, two sets of one side swing joint of cam, two sets of cam just is close to the equal fixedly connected with pivot of lower end position department, a set of one side fixed block fixed mounting has the motor fixed block, two sets of motor fixed block and two sets of inside fixed block fixed connection have one side of pivot respectively.

Preferably, the lower ends of the two groups of telescopic springs are respectively arranged in the two groups of limiting pipes.

Preferably, the upper end of the spring buffer member is in contact with the lower end of the connection block.

Preferably, the output end of the motor is in transmission connection with one end of a group of rotating shafts.

Preferably, one sides of the two groups of fixing blocks are fixedly connected with two sides of the macroporous screen respectively.

Preferably, one sides of the four groups of fixing blocks are fixedly connected with two sides of the small-hole screen respectively.

Preferably, one sides of the two sets of cams are respectively contacted with one sides of the two sets of fixed blocks.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the crab sorting device, the rotating shaft, the cam and the limiting rod are driven to rotate together through the starting motor, the limiting rod is located at the upper end of the cam, so that the limiting rod drives the connecting rod to move up and down when rotating around the rotating shaft, and further drives the mounting piece and the connecting block to move up and down due to the limiting effect of the fixing bolt, and because the two groups of connecting blocks are fixedly connected with the two sides of the large-hole sieve net and the four groups of fixing blocks are fixedly connected with the two sides of the small-hole sieve net respectively, the large-hole sieve net is driven to move up and down when the connecting block moves up and down, crabs in the large-hole sieve net are vibrated and screened, the crabs which are entangled with each other are shaken off, and crab seedling sorting efficiency is improved.

2. According to the utility model, the mounting piece is movably clamped with the connecting block, the spring buffer piece can play a role in buffering the connecting block when the connecting block moves up and down, the two groups of telescopic springs can enable the connecting block to move up and down freely and stably, and the limiting tube plays a role in protecting and limiting the telescopic springs.

Drawings

Fig. 1 is a schematic diagram showing a front perspective structure of a screening net for crab larva sorting according to the present utility model;

Fig. 2 is a schematic side view perspective structure of a screening net for crab larva sorting according to the present utility model;

Fig. 3 is a schematic diagram showing a three-dimensional structure of a cam and a limiting rod of a screening net for crab larva sorting according to the present utility model;

Fig. 4 is a schematic diagram showing a separation structure of a vibrating screening mechanism of a screening net for crab larva sorting according to the present utility model.

Legend description: 1. a macroporous screen; 2. a small hole screen; 3. a vibrating screening mechanism; 31. a connecting block; 32. a mounting member; 33. a spring buffer; 34. a connecting rod; 35. a fixing bolt; 36. a cam; 37. a limit rod; 38. a motor; 39. a rotating shaft; 310. a limiting tube; 311. a fixed block; 312. and a telescopic spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-4, the utility model provides a screening net for crab larva sorting, which comprises a macroporous screen 1, wherein a small-hole screen 2 is arranged below the macroporous screen 1, two sides of the small-hole screen 2 are respectively provided with a vibration screening mechanism 3, the vibration screening mechanism 3 comprises a connecting block 31 and a fixed bolt 35, telescopic springs 312 are fixedly connected to the positions below the connecting block 31 and close to the two sides, fixed blocks 311 are fixedly connected to the lower ends of the two groups of telescopic springs 312, limiting pipes 310 are fixedly connected to the upper ends of the two groups of fixed blocks 311, a mounting piece 32 is movably clamped to the lower end of the connecting block 31, a spring buffer piece 33 is arranged in the mounting piece 32, the lower end of the mounting piece 32 is movably connected with a connecting rod 34 through the fixed bolt 35, two sides of the connecting rod 34 are respectively provided with cams 36, one side of each cam 36 is fixedly connected with a limiting rod 37 through the corresponding limiting rod 37, one side of each cam 36 is fixedly connected to one side of each cam 36, one side of each cam 36 is fixedly connected with a rotating shaft 39, one side of each motor 311 is fixedly connected to one side of the two groups of the rotating shafts 311, and one side of the two fixed blocks 311 is fixedly connected to one side of the inner side wall of each rotating shaft 311.

The specific arrangement and action of this embodiment will be described specifically, through the starting motor 38, the rotating shaft 39, the cam 36 and the stop lever 37 are driven to rotate together, because the position of the stop lever 37 is located at the upper end position of the cam 36, the stop lever 37 can drive the connecting rod 34 to move up and down when rotating around the rotating shaft 39, and further drive the mounting piece 32 and the connecting block 31 to move up and down because of the limiting action of the fixing bolt 35, because two groups of connecting blocks 31 are fixedly connected with two sides of the macroporous screen 1, and four groups of fixing blocks 311 are fixedly connected with two sides of the macroporous screen 2 respectively, when the connecting block 31 moves up and down, the macroporous screen 1 can be driven to move up and down, so that the macroporous screen 1 shakes and screens crabs in the screen, and shakes crabs the mutually entangled crabs, thereby improving the crab seedling sorting efficiency.

Example two

As shown in fig. 1 and 2, the lower ends of two groups of telescopic springs 312 are respectively arranged in the two groups of limiting pipes 310, the upper ends of the spring buffer members 33 are in contact with the lower ends of the connecting blocks 31, the output ends of the motors 38 are in transmission connection with one ends of one group of rotating shafts 39, one sides of two groups of fixing blocks 311 are respectively fixedly connected with two sides of the macroporous screen 1, one sides of four groups of fixing blocks 311 are respectively fixedly connected with two sides of the microporous screen 2, and one sides of two groups of cams 36 are respectively in contact with one sides of two groups of fixing blocks 311.

The effect that its whole embodiment reached is, through mounting 32 and connecting block 31 activity joint, and spring buffer 33 can play the cushioning effect to connecting block 31 when connecting block 31 reciprocates, and two sets of expansion springs 312 can make connecting block 31 free and stable reciprocate, and spacing pipe 310 plays protection and spacing effect to expansion springs 312.

The application method and the working principle of the device are as follows: firstly, the crab seedlings are poured into the macroporous screen 1, the rotating shaft 39, the cam 36 and the limiting rod 37 are driven to rotate together through the starting motor 38, the limiting rod 37 is positioned at the upper end position of the cam 36, the connecting rod 34 is driven to move up and down when rotating around the rotating shaft 39 due to the limiting effect of the fixing bolt 35, the mounting piece 32 and the connecting block 31 are further driven to move up and down due to the limiting effect of the fixing bolt 35, the spring buffer piece 33 can play a role in buffering the connecting block 31 when the connecting block 31 moves up and down, the two groups of telescopic springs 312 can enable the connecting block 31 to move up and down freely and stably, the limiting tube 310 plays a role in protecting and limiting the telescopic springs 312, and because two groups of connecting blocks 31 are fixedly connected with two sides of the macroporous screen 1, and four groups of fixing blocks 311 are fixedly connected with two sides of the macroporous screen 2 respectively, the connecting block 31 can be driven to move up and down when the connecting block 31 moves up and down, and further the macroporous screen 1 shakes and screens crabs in the macroporous screen 1, and the crab seedlings are separated by the two groups.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a crab seed letter sorting is with screening net, includes macropore screen cloth (1), its characterized in that: the utility model discloses a vibrating screening machine, including large pore screening net (1), small pore screening net (2) are provided with below of large pore screening net (1), the both sides of small pore screening net (2) all are provided with vibrating screening mechanism (3), vibrating screening mechanism (3) are including connecting block (31) and dead bolt (35), the below of connecting block (31) and be close to both sides position department all fixedly connected with telescopic spring (312), two sets of the equal fixedly connected with fixed block (311) of lower extreme of telescopic spring (312), two sets of the equal fixedly connected with spacing pipe (310) of upper end of fixed block (311), the lower extreme movable joint of connecting block (31) has installed part (32), the inside of installed part (32) is provided with spring buffer (33), the lower extreme of installed part (32) is passed through dead bolt (35) swing joint has connecting rod (34), the both sides of connecting rod (34) all are provided with cam (36), one side of cam (36) and be close to upper end position department run through and be fixed with spacing lever (37), both sides of connecting rod (34) and be close to one side of both sides of cam (36) are located fixedly connected with one side of fixed block (311) respectively, the outer side walls of the two groups of rotating shafts (39) are respectively and movably connected with the interiors of the two groups of fixed blocks (311), and a motor (38) is fixedly arranged on one side of one group of fixed blocks (311).

2. A screening net for sorting crab seedlings according to claim 1, characterized in that: the lower ends of the two groups of telescopic springs (312) are respectively arranged in the two groups of limiting pipes (310).

3. A screening net for sorting crab seedlings according to claim 1, characterized in that: the upper end of the spring buffer piece (33) is contacted with the lower end of the connecting block (31).

4. A screening net for sorting crab seedlings according to claim 1, characterized in that: the output end of the motor (38) is in transmission connection with one end of a group of rotating shafts (39).

5. A screening net for sorting crab seedlings according to claim 1, characterized in that: one sides of the two groups of fixing blocks (311) are fixedly connected with two sides of the macroporous screen (1) respectively.

6. A screening net for sorting crab seedlings according to claim 1, characterized in that: one side of each of the four groups of fixing blocks (311) is fixedly connected with two sides of the small-hole screen (2) respectively.

7. A screening net for sorting crab seedlings according to claim 1, characterized in that: one side of each of the two groups of cams (36) is respectively contacted with one side of each of the two groups of fixed blocks (311).